a killer whale or other cetacean identified by early writers as a “sea monster”
Origin of orcFrench orque from Classical Latin orca, kind of whale, altered (infl. by orca, a large tub) from Classical Greek oruga, accusative of oryx, a large fish
Officers' Reserve Corps
Probably from Italian orco (“man-eating giant"); later revived by J. R. R. Tolkien, partly after Old English orc (“demon").
- Orange River Colony, a name given to the Orange Free State when annexed by Britain in 1900.