/t͡ʃɔːk/
noun
A soft, white, powdery limestone.A piece of chalk, or nowadays processed compressed gypsum, that is used for drawing and for writing on a blackboard.Tailor's chalk.A white powdery substance used to prevent hands slipping from holds when climbing, sometimes but not always limestone-chalk.A platoon-sized group of airborne soldiers.(horseracing) The favorite in a sporting event.The prediction that there will be no upsets, and the favored competitor will win.verb
To apply chalk to anything, such as the tip of a billiard cue.To record something, as on a blackboard, using chalk.To use powdered chalk to mark the lines on a playing field.To record a score or event, as if on a chalkboard.To manure (land) with chalk.To make white, as if with chalk; to make pale; to bleach.