/ Dictionary / Index T terminal moraine: Meaning and Definition of Find definitions for: ter'minal moraine' Pronunciation: [key] — Geol. Geol. a moraine marking the farthest advance of a glacier or ice sheet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. terminal market terminal velocity Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language