/ Dictionary / Index C clarain: Meaning and Definition of Find definitions for: clar•ain Pronunciation: (klâr'ān), [key] — n. the coal forming the bright layers in banded bituminous coal. Cf. durain, vitrain. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Clarabelle Clare Related Content Daily Word Quiz: torrid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language