Term used to refer to a male donkey

1860, jack up "hoist, raise, lift with a jack," American English, from jack (n.) in the appliance sense. Figurative sense "increase (prices, etc.)" is 1904, American English. Relat [..]

late 14c., jakke "a mechanical device," from the masc. name Jack. The proper name was used in Middle English for "any common fellow," and thereafter extended to various appliances [..]

masc. proper name, attested by 1218, probably via Anglo-French Jake, Jaikes, from Old French Jacques (which was a diminutive of Latin Jacobus; see Jacob), but in English the name always has been regar [..]

A device for lifting heavy objects.

The female connector.

a small worthless amount; "you don't know jack" lift with a special device; "jack up the car so you can change the tire" jacklight: hunt [..]

A female fitting or connector that accepts a male mating component ("plug") to facilitate an electrical connection. Note: The term jack is frequently applied in applications involving communications signals, while the term receptacle is almost universally reserved for applications involving the distribution of electric power. 2. An analog [..]

 a mean fellow.

This is a type of physical connection used for audio signals.

Noun. Alone. Rhyming slang. Usually used in the expression on your jack, or on my jack. See 'on ones jack'.

A connecting device having springs which make electrical contact with mating contacts of a plug. 

A plug-in type terminal widely used in electronic apparatus for temporary connections.

A wheeled device with lifting capabilities, used to move pallets or heavy loads of product (often onto skids or pallets).

Assembly of cylinder, packing and plunger of a hydraulic elevator. The dev...

A spring-connector socket in which two or more contacts are made by inserting a plug.

A female input or output connector, usually for a mic or an instrument

Small jacks (usually screw jacks) for leveling and holding work on planner beds and similar places.

Jack Daniel's Old No. 7 black label Tennessee Whiskey. The preferred drink of pitmasters while tending their fahyrs all night. Some drink the pricier Gentleman Jack, but most only break out the g [..]

1) Defensive leather coat, either of several layers or quilted, often reinforced with metal studs or small plates.    (Seward, Desmond. Henry V: The Scourge of God, 223) 2) Canvas or leather jacke [..]

The national flag flown on a jackstaff on the bow of naval ships while anchored.

The flag similar to the union of the national flag.

Jack is a parser that was been renamed to JavaCC. JavaCC parser

A fish family of over 200 species, Although some jack species aren't particularly good to eat, many are considered excellent and have a rich, firm, delicately flavored flesh. Jamaican Jack Mackerel is one of the most popular canned mackerel dishes that are served with boiled dumplings and boiled bananas as a healthy Jamaican breakfast. T

A fish family of over two hundred species, these colorful saltwater fish go by a host of varietal names such as yellowtail, greenback, burnfin, black and amber jack. These delicately flavored fish ten [..]

(n) a small worthless amount(n) a man who serves as a sailor(n) someone who works with their hands; someone engaged in manual labor(n) immense East Indian fruit resembling breadfruit; it contains an e [..]

A receptacle used with a plug to make electrical contact between communications circuits. Jacks and their associated plugs are used in a variety of connecting hardware applications including adaptor, information outlets, and equipment connections.

I. APPLIED TO MEN, but always depreciatingly. (See TOM.)

The union flag. Jaming

A connector into which a plug is inserted.

The device which pushes the hydraulic elevator. Jamb - Any one of the three members constituting an elevator entrance frame: head jamb, strike jamb and return jamb.

A combination of a cylinder and a ram forming a hydraulic actuating the unit.

 Typically a 3.5 or 6.3 mm audio connection.

The jack is the piece of equipment used to lift one corner of the car off the ground so that you can change a wheel. Cars all come with a suitable jack that will fit correctly into the car’s jacking points

A small flag flown at the bow of a ship, usually to indicate nationality. U.S. Jack is blue with 50 white stars. Joint -

A fish family of over two hundred species, these colorful saltwater fish go by a host of varietal names such as yellowtail, greenback, burnfin, black and amber jack. These delicately flavored fish ten [..]

1. (RN) General nickname for Royal Navy sailors. Derived from "Jack Tar". 2. The flag that is flown from the jackstaff. Traditionally, in the RN it was the Union Jack, whereby it received it [..]

Male of the ass species.

Union flag. 2. Crosstrees. 3. Instrument or machine for lifting heavy weights. 4. Colloquial name for a seaman.

The flag similar to the union of the national flag.

Another name for sailor. It also refers to a flag. Typically the flag was talked about as if it were a member of the crew. Strictly speaking, a flag is only a "jack" if it is worn at the jac [..]

  Starred blue flag (representing the union of the ensign) flown at the jackstay of a commissioned ship not underway.  

1. A sailor. Also 'Jack Tar', referring to the over-abundant use of tar as a water-repelling preservative aboard a wooden sailing ship. 2. A relatively small flag flown at the bow of a ship, [..]

The national flag flown on a jackstaff on the bow of naval ships while anchored.

o'-the-dust - enlisted man serving as assistant to the ship's cooks. Named for the flour of which he is in charge.

Either a flag, or a sailor. Typically the flag was talked about as if it were a member of the crew. Strictly speaking, a flag is only a "jack" if it is worn at the jackstaff at the b [..]

(1) (UK) General nickname for Royal Navy sailors (obsolete, from 'Jack Tar'). (2) The Union Jack, a small flag flown from the jackstaff on the bow of USN ships while moored or anchored; has [..]

The national flag flown on a jackstaff on the bow of naval ships while anchored.

a male donkey

Money

Insult (shortened form of “Jack Ass”)

The Jack is a replica of the blue, star-studded field of the National Ensign that is flown by ships at anchor from 8 a.m. to sunset. The Jack is hoisted at a yardarm when a general court-martial or a [..]

The fourth-ranked card in the deck. In some countries, the jack is known as the knave, and it is one of the so-called “coat cards.”

the fourth-highest-ranking card

The white ball (sometime it is yellow) used as a target.

The pallino is sometimes referred to as the "Jack".

 A wheeled device with lifting capabilities, used to move pallets or heavy loads of product (often onto skids or pallets).JIT:

The Jack is the small white ball that is the target in bowls. You may also hear it referred to colloquially as the "White", the "Kitty" or the "Sweetie".

1) Anywhere you plug something in. 2) Segmented audio connector. Mono Jacks have two connections – tip and sleeve, and are unbalanced. Stereo jacks have three connections – tip, ring and sleeve. B-typ [..]

A mechanical device used to raise and (temporarily) support a heavy object, e.g. screw jack, scissor jack, hydraulic jack, ratchet jack, scaffold jack. ''She used a jack to lift her car and change [..]

/ before you can say Jack Robinson */ Jack Tar *en|Jack.

Normally a "banana jack" when applied to timing; a single plug that connects multiple devices.

Derived from Jackin (earlier Jankin), a medieval diminutive of John [1]. There could be some early influence from the unrelated French name Jacques [2]. It is often regarded as an independent name. Du [..]