/ Thesaurus / O Synonyms of orcinus Find synonyms for: Noun1. Orcinus, genus Orcinus, mammal genususage: killer whalesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language