The noun chalk has 4 senses (no senses from tagged texts)
1. chalk -- (a soft whitish calcite)
2. chalk -- (a pure flat white with little reflectance)
3. methamphetamine, methamphetamine hydrochloride, Methedrine, meth, deoxyephedrine, chalk, chicken feed, crank, glass, ice, shabu, trash -- (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)
4. chalk -- (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)
Overview of verb chalk
The verb chalk has 1 sense (no senses from tagged texts)