part of speech: noun

definition 1: a soft, white limestone that comes mostly from tiny sea shells.

definition 2: a substance made from natural chalk that is formed into round sticks that can be used to write or draw with, especially on a blackboard or on pavement.


part of speech: verb

inflections: chalks, chalking, chalked

definition: to write down or draw with chalk.

  • We chalked pictures on the sidewalk.

phrase: chalk up

Word Builder: chalk +

chalkboard: a board in a classroom; chalkboard. You write on a chalkboard with chalk.