/ Dictionary / Index C Collinsville: Meaning and Definition of Find definitions for: Col•lins•ville Pronunciation: (kol'inz-vil"), [key] — n. a city in SW Illinois. 19,613. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. collinsia collision Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language