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.

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.

(of paint) to powder from weathering.

of, made of, or drawn with chalk. ?

chalk up,

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.

noun

blanch , bleach , crayon , draw , sketch , talc , whiten