/ Dictionary / Index S semiterrestrial: Meaning and Definition of Find definitions for: sem•i•ter•res•tri•al Pronunciation: (sem"ē-tu-res'trē-ul, sem"ī-), [key] — adj. Biol. living mostly on land but requiring a moist environment or nearby water, esp. as a breeding site: Most amphibians are semiterrestrial. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: semiterrestrial (Thesaurus) Semite Semitic Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language