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. [1913 Webster]
Rukh \Rukh\, n. [Srr {Roc}.] 1. The roc. [1913 Webster] 2. (Zool.) A large bird, supposed by some to be the same as the extinct Epiornis of Madagascar. [Obs.] [1913 Webster]