/ Dictionary / Index I Insecta: Meaning and Definition of Find definitions for: In•sec•ta Pronunciation: (in-sek'tu), [key] — n. the class comprising the insects. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: insecta (Thesaurus) insect insectarium Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language