/ Dictionary / Index T Terai: Meaning and Definition of Find definitions for: Te•rai Pronunciation: (tu-rī'), [key] — n. a marshy lowland area in N India and S Nepal, between the Ganges and the foothills of the Himalayas. (l.c.) See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. terahertz terai hat Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language