/ Dictionary / Index C conterminous: Meaning and Definition of Find definitions for: con•ter•mi•nous Pronunciation: (kun-tûr'mu-nus), [key] — adj. having a common boundary; bordering; contiguous. meeting at the ends; without an intervening gap: In our calendar system, the close of one year is conterminous with the beginning of the next. coterminous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: conterminous (Thesaurus) content word contessa* Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language