/ Dictionary / Index V vivarium: Meaning and Definition of Find definitions for: vi•var•i•um Pronunciation: (vī-vâr'ē-um, vi-), [key] — pl. -var•i•ums, -var•i•a a place, such as a laboratory, where live animals or plants are kept under conditions simulating their natural environment, as for research. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: vivarium (Thesaurus) Vivaldi viva voce Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language