chalk Meaning, Definition & Usage

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; used as a stimulant to the nervous system and as an appetite suppressant
chicken feed; methamphetamine; trash; shabu; ice; glass; crank; Methedrine; meth; methamphetamine hydrochloride; deoxyephedrine.
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

AS. cealc lime, from L. calx limestone. See Calz, and Cawk.

(Min.) A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as common limestone.
(Fine Arts) Finely prepared chalk, used as a drawing implement; also, by extension, a compound, as of clay and black lead, or the like, used in the same manner. See Crayon.

imperfect & past participle Chalked ; present participle & verbal noun Chalking

To rub or mark with chalk.
To manure with chalk, as land. Morimer.
To make white, as with chalk; to make pale; to bleach. Tennyson.
Let a bleak paleness chalk the door. Herbert.
Burke.