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.
Chalk (?), n. [AS. cealc
lime, from L. calx limestone. See Calz, and
Cawk.] 1. (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.
2. (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.
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.