/ Dictionary / Index C Circinus: Meaning and Definition of Find definitions for: Cir•ci•nus Pronunciation: (sûr'su-nus), [key] — gen. -ni the Compasses, a small southern constellation between Triangulum and Centaurus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: circinus (Thesaurus) circinate circle Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language