/ Dictionary / Index I insectary: Meaning and Definition of Find definitions for: in•sec•tar•y Pronunciation: (in'sek-ter"ē), [key] — pl. -tar•ies. a laboratory for the study of live insects, their life histories, effects on plants, reaction to insecticides, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. insectarium insecticide Related Content Daily Word Quiz: augur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language