BLUFF (2)
Source: 566, 567
bluff (2). Bluff, n. a steep bank or high bold shore
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Bluff, n. 1. 1. A high, steep bank, as by a river or the sea, or beside a ravine or plain; a cliff with a broad face.
Beach, bluff, and wave, adieu. Whittier. 2. 2. An act of bluffing; an expression of self-confidence for the purpose of intimidation; braggadocio; as, that is only bluff, or a bluff.
3. 3. A game at cards; poker. Bartlett.