/ Dictionary / Index C chalkrail: Meaning and Definition of Find definitions for: chalk•rail Pronunciation: (chôk'rāl"), [key] — n. a troughlike molding or strip holding chalk, erasers, etc., under a blackboard. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chalk line chalkstone Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language