1. (Min.)
Defn: A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as common limestone.
2. (Fine Arts)
Defn: 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. Black chalk, a mineral of a bluish
color, of a slaty texture, and soiling the fingers when handled; a
variety of argillaceous slate.
— By a long chalk, by a long way; by many degrees. [Slang] Lowell.
— Chalk drawing (Fine Arts), a drawing made with crayons. See
Crayon.
— Chalk formation. See Cretaceous formation, under Cretaceous.
— Chalk line, a cord rubbed with chalk, used for making straight
lines on boards or other material, as a guide in cutting or in
arranging work.
— Chalk mixture, a preparation of chalk, cinnamon, and sugar in gum
water, much used in diarrheal affection, esp. of infants.
— Chalk period. (Geol.) See Cretaceous period, under Cretaceous.
— Chalk pit, a pit in which chalk is dug.
— Drawing chalk. See Crayon, n., 1.
— French chalk, steatite or soapstone, a soft magnesian mineral.
— Red chalk, an indurated clayey ocher containing iron, and used by
painters and artificers; reddle.
CHALK
Chalk, v. t. [imp. & p. p. Chalked; p. pr. & vb. n. Chalking.]
1. To rub or mark with chalk.
2. To manure with chalk, as land. Morimer.
3. To make white, as with chalk; to make pale; to bleach. Tennyson. Let a bleak paleness chalk the door. Herbert. To chalk out, to sketch with, or as with, chalk; to outline; to indicate; to plan. [Colloq.] "I shall pursue the plan I have chalked out." Burke.
CHALKCUTTER
Chalk"cut`ter, n.
Defn: A man who digs chalk.