1844 as an alternative name for poker; from bluff (v.). As "an act of bluffing" by 1864. Blind man's bluff formerly was called hoodman-blind (1560s).

"broad, vertical cliff," 1680s, from bluff (adj.) "with a broad, flat front" (1620s), a sailors' word, probably from Dutch blaf "flat, broad." Apparently a North Sea [..]

1839, American English, poker term, perhaps from Dutch bluffen "to brag, boast," or verbluffen "to baffle, mislead." An identical word meant "blindfold, hoodwink" in 1670 [..]

steep cliff. Read more in the NG Education Encyclopedia

slope created by lateral river erosion causing the retreat of interlocking spurs. 

(n) a high steep bank (usually formed by river erosion)(n) pretense that your position is stronger than it really is(n) the act of bluffing in poker; deception by a false show of confidence in the str [..]

A high, steep BANK or CLIFF.

in the game called Poker, is to stake on a bad hand. This is a dodge resorted to by players to lead an adversary to throw up his cards and forfeit his stake rather than risk them against the &#147 [..]

A headland or short stretch of cliff with a broad perpendicular face. As adjective: Having a broad perpendicular or nearly perpendicular face.

an abrupt rise in land with a flat or rounded top that runs for some distance; often found along the edge of a river valley

A high, steep bank or cliff.

The bow of a ship is said to be bluff when it has a full broad rounded or flat shape (not sharp). The term bluff originates back to the early 17th century.

v. To give a false impression of the value of hidden items in one's possession (such as cards) or one's intentions. This can either be explicitly by direct statement or implicitly through ac [..]

When you haven’t got a great hand, but bet or raise as if you do.

means an attempt to delude the rivals and persuade them that you have a stronger hand than you really do.

A bet or raise made with a poor hand to entice the competition to fold.

betting or raising in hopes of your opponent(s) folding, as you do not believe that you have the best hand. also see semibluff.

When a player bets and/or raises without having a good hand, to try and make their opponent fold the better hand.

In poker, players bluff when raising with a weak hand in hopes of driving out players with stronger hands.

We say that a player has bluffed when having a bad hand and bet big to pretend to have a better hand than he actually does. Its objective is to force our contender to fold fearing a good hand.

An act of bluffing; a false expression of the strength of one's position in order to intimidate; braggadocio. ''That is only bluff, or a bluff.'' (poker) An attempt to represent oneself as holdi [..]

The southernmost town in the South Island of New Zealand, and seaport for the Southland region. ----