noun: (archaic) Any of several large, ferocious sea creatures, now especially the killer whale.
noun: (fantasy, mythology) A mythical evil monstrous humanoid creature, usually quite aggressive and often green.
noun: (slang, derogatory, ethnic slur) A Russian soldier or gangster.
noun: (biochemistry) origin recognition complex
noun: Initialism of Orange River Colony. [(historical) The Orange Free State when annexed by Britain in 1900. Abbreviation ORC.]
noun: Acronym of Otago Regional Council.
noun: Abbreviation of Oregon City. [A city, the county seat of Clackamas County, Oregon, United States.]
noun: (astronomy) Initialism of odd radio circle.
noun: Abbreviation of organized retail crime.
noun: (slang, fiction, derogatory) Alternative form of orc (monstrous warrior in fantasy; Russian soldier) [(archaic) Any of several large, ferocious sea creatures, now especially the killer whale.]