/ Dictionary / Index I ichthyoid: Meaning and Definition of Find definitions for: ich•thy•oid Pronunciation: (ik'thē-oid"), [key] — adj. fishlike. —n. any fishlike vertebrate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ichthyofauna Ichthyol Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language