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noun Arabian Mythology.
  1. a bird of enormous size and strength.

Origin of roc

1570–80; < Arabic rukhkh, probably < Persian rukh; see rook2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for roc


  1. (in Arabian legend) a bird of enormous size and power

Word Origin

C16: from Arabic rukhkh, from Persian rukh


abbreviation for
  1. Royal Observer Corps
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for roc


large, ferocious bird of fable, 1570s, from Arabic rukhkh, from Persian rukh. Mentioned in Marco Polo's account of Madagascar, modern use is mostly from "Arabian Nights." Hence roc's egg "something marvelous or prodigious."

Online Etymology Dictionary, © 2010 Douglas Harper