Etymology

Noun

1. A soft, white, powdery limestone.
2. A piece of chalk, or, more often, processed compressed chalk, that is used for drawing and for writing on a blackboard.
3. Tailor's chalk.
4. A white powdery substance used to prevent hands slipping from holds when climbing.
5. A platoon-sized group of airborne soldiers
6. The prediction that there will be no upsets, and the favored competitor will win
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               Verb

               
               
               
               1. To apply chalk to anything, such as the tip of a billiards cue
               2. To record something, as on a blackboard, using chalk.
               3. To use powdered chalk to mark the lines on a playing field.
               4. To record a score or event, as if on a chalkboard.