/ Dictionary / Index C caplin: Meaning and Definition of Find definitions for: cap•lin Pronunciation: (kap'lin), [key] — n. capelin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: caplin (Thesaurus) Caplet cap. moll. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language