/ Dictionary / Index C chalk: Meaning and Definition of Find definitions for: chalk Pronunciation: (chôk), [key] — n. a soft, white, powdery limestone consisting chiefly of fossil shells of foraminifers. a prepared piece of chalk or chalklike substance for marking, as a blackboard crayon. a mark made with chalk. a score or tally. —v.t. to mark or write with chalk. to rub over or whiten with chalk. to treat or mix with chalk: to chalk a billiard cue. to make pale; blanch: Terror chalked her face. —v.i. (of paint) to powder from weathering. They chalked up two runs in the first inning. to score or earn:They chalked up two runs in the first inning. to charge or ascribe to:It was a poor performance, but may be chalked up to lack of practice. —adj. of, made of, or drawn with chalk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: chalk (Thesaurus) chalicothere chalkboard Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language