/ Dictionary / Index T terminus a quo*: Meaning and Definition of Find definitions for: ter•mi•nus a quo Pronunciation: (ter'mi-noos" ä kwō' Eng. tûr'm&schwa-n&schwas ā kwō'), [key] — Latin. Latin. the end from which; beginning; starting point; earliest limiting point. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. terminus ad quem* termitarium Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language