Dictionary![]() ![]() chalkPronunciation: (chôk), [key] —n. 1. a soft, white, powdery limestone consisting chiefly of fossil shells of foraminifers. 2. a prepared piece of chalk or chalklike substance for marking, as a blackboard crayon. 3. a mark made with chalk. 4. a score or tally. —v.t. 1. to mark or write with chalk. 2. to rub over or whiten with chalk. 3. to treat or mix with chalk: to chalk a billiard cue. 4. to make pale; blanch: Terror chalked her face. —v.i. 1. (of paint) to powder from weathering. 2. chalk up, a. to score or earn: They chalked up two runs in the first inning. b. 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.
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