Hypertext Webster Gateway: "roc"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Roc \Roc\, n. [Ar. & Per. rokh or rukh. Cf. {Rook} a castle.]
A monstrous bird of Arabian mythology. [Written also {rock},
and {rukh}.] --Brande & C.
From WordNet (r) 1.7 (wn)
roc
n : mythical bird of prey having enormous size and strength
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