(poker) To make a bluff; to give the impression that one's hand is stronger than it is.
(by analogy) To frighten or deter with a false show of strength or confidence; to give a false impression of strength or temerity in order to intimidate and gain some advantage.
To take advantage by bluffing.
Noun
A high, steep bank, for example by a river or the sea, or beside a ravine or plain; a cliff with a broad face.
