Bluff

1. n. A game at cards; poker.
2. a. Having a broad, flattened front; as, the bluff bows of a ship.
3. a. Rising steeply with a flat or rounded front.
4. a. Surly; churlish; gruff; rough.
5. a. Abrupt; roughly frank; unceremonious; blunt; brusque; as, a bluff answer; a bluff manner of talking; a bluff sea captain.
6. n. A high, steep bank, as by a river or the sea, or beside a ravine or plain; a cliff with a broad face.
7. n. An act of bluffing; an expression of self-confidence for the purpose of intimidation; braggadocio; as, that is only bluff, or a bluff.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.