/ Dictionary / Index T trigamy: Meaning and Definition of Find definitions for: trig•a•my Pronunciation: (trig'u-mē), [key] — n. the state of having three wives or three husbands at one time. the state of having been lawfully married to three wives or three husbands at different times. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trigamous trigeminal Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language