/ Dictionary / Index I investment company: Meaning and Definition of Find definitions for: invest'ment com"pany Pronunciation: [key] a company that invests its funds in other companies and issues its own securities against these investments. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. investment casting investment compound Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language