The state of the penis when it is filled with blood and becomes rigid. The penis contains two chambers called the corpora cavernosa, which run the length of the organ, are filled with spongy tissue, and are surrounded by a membrane called the tunica albuginea. The spongy tissue contains smooth muscles, fibrous tissues, spaces, veins, and arteries. [..]

In medicine, the swelling of the penis with blood, causing it to become firm.

The standing upright of a body part due to engorgement of blood

The term used for hair that is standing straight up

mid-15c., "establishment; advancement," from Late Latin erectionem (nominative erectio), noun of action from past participle stem of erigere "to set up, erect" (see erect (adj.)). [..]

A “hard” penis when it’s becomes full of blood and stiffens. See "vasocongestion."

an erect penis a structure that has been erected erecting: the act of building or putting up (erect) raise: construct, build, or erect; "Raise a barn" (erect) upright in posi [..]

When sexual arousal causes a man's penis to swell and become hard or erect.

erection (pop)

The process of and setting vertical dimensional stone in place.

(n) an erect penis(n) a structure that has been erected(n) the act of building or putting up

Synonyms: hard-on Definition: (ee-REK-shun) When the penis is filled with blood and becomes swollen and firm. This is prompted by the cavernous nerves, unless they are cut or damaged in treatment. See [..]

An erection refers to the filling of vascular spaces in the penis durin sexual excitement, causing the penis to enlarge and become rigid. This enables the penis to serve as a penetrating organ. Erecti [..]

The state of the Penis when the erectile Tissue becomes filled or swollen (tumid) with Blood and causes the Penis to become rigid and elevated. It is a complex process involving Central Nervous System [..]

The process of hoisting into place and joining the various parts of a ship’s hull, machinery, etc.

In medicine, the swelling of the penis with blood, causing it to become firm.

When a penis gets stiff and hard. This happens because blood flows into it. This might happen because someone is sexually excited, but it can also happen at other times. A hard penis will get soft aga [..]

(uncountable) The act of building or putting up or together of something; construction. (countable) Anything erected or built. ''The Empire State Building was once the world's tallest erection. [..]

===Noun=== ====(of a penis) the state or quality of being erect from engorgement with blood==== =====Synonyms===== erection tentigo tumescence Roget 1911 * Moby II

An enlarged, rigid penis (sexual excitement).

The complex process of hardening & enlargement of the penis as a result of sexual stimulation