/ Dictionary / Index S subtropics: Meaning and Definition of Find definitions for: sub•trop•ics Pronunciation: (sub-trop'iks), [key] — n.pl. subtropical regions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: subtropics (Thesaurus) subtropical high subtype Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language