/ Dictionary / Index S subarctic: Meaning and Definition of Find definitions for: sub•arc•tic Pronunciation: (sub-ärk'tik, -är'tik), [key] — adj. of, pertaining to, similar to, or being the region immediately south of the Arctic Circle; subpolar. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: subarctic (Thesaurus) subarachnoid block Subarctic Current Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language