chalk

Noun · Verb

Synonyms: methamphetamine methamphetamine hydrochloride Methedrine meth deoxyephedrine chicken feed crank glass ice shabu trash

WordNet 3.0

Noun (4)

a soft whitish calcite
a pure flat white with little reflectance
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 suppressantSynonyms: methamphetamine methamphetamine hydrochloride Methedrine meth deoxyephedrine chicken feed crank glass ice shabu trash
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 (1)

write, draw, or trace with chalk

Webster's Dictionary (GCIDE)

Chalk \Chalk\ (ch[add]k), 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. [1913 Webster]

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. [1913 Webster]

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. [1913 Webster]

Chalk \Chalk\, v. t. [imp. & p. p. Chalked; p. pr. & vb. n. Chalking.]

1.To rub or mark with chalk. [1913 Webster]

2.To manure with chalk, as land. --Morimer. [1913 Webster]

3.To make white, as with chalk; to make pale; to bleach. --Tennyson. [1913 Webster]

Let a bleak paleness chalk the door.— Herbert.[1913 Webster]

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. [1913 Webster]