Scrabble?! CHALK

Definitions of CHALK in various dictionaries:

noun - a soft whitish calcite

noun - a pure flat white with little reflectance

noun - an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride

noun - a piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces

verb - write, draw, or trace with chalk

A soft, compact calcite, CaCO 3, with varying amounts of silica, quartz, feldspar, or other mineral impurities, generally gray-white or yellowwhite and derived chiefly from fossil seashells.

A piece of chalk or chalklike substance in crayon form, used for marking on a blackboard or other surface.

A small cube of chalk used in rubbing the tip of a billiard or pool cue to increase its friction with the cue ball.

A mark made with chalk.

A score or tally.

To mark, draw, or write with chalk: chalked my name on the blackboard.

To rub or cover with chalk, as the tip of a billiard cue.

To make pale; whiten.

To treat (soil, for example) with chalk.

To earn or score: chalk up points.

To credit or ascribe: Chalk that up to experience.

verb - to mark with chalk (a soft limestone)