Noun chalk has 4 senses
  1. chalk - a soft whitish calcite
    --1 is a kind of
    --1 is a substance of chalk
    --1 has substance: calcium carbonate
  2. chalk - a pure flat white with little reflectance
    --2 is a kind of
    white, whiteness
  3. methamphetamine, methamphetamine hydrochloride, Methedrine, meth, deoxyephedrine, chalk, chicken feed, crank, glass, ice, shabu, trash - amphetamine used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
    --3 is a kind of amphetamine, pep pill, upper, speed; controlled substance
  4. chalk - a piece of chalk (or similar substance) used for writing on blackboards or other surfaces
    --4 is a kind of
    writing implement
    --4 has substance: chalk
    --4 has particulars: drawing chalk; tailor's chalk
    Derived form: verb chalk1
,Verb chalk has 1 sense
  1. chalk - write, draw, or trace with chalk
    --1 is one way to
    Derived form: noun chalk4
    Sample sentence:
    Somebody ----s something