- (RP) IPA: /t͡ʃɔːk/
- (GA) enPR: chôk, IPA: /t͡ʃɔk/
- (cot-caught, northern cities vowel shift) IPA: /t͡ʃɑk/
- (uncountable) A soft, white, powdery limestone.
- (countable) A piece of chalk, or nowadays processed compressed gypsum, that is used for drawing and for writing on a blackboard.
- Tailor's chalk.
- (uncountable, climbing) A white powdery substance used to prevent hands slipping from holds when climbing, sometimes but not always limestone-chalk.
- (US, military, countable) A platoon-sized group of airborne soldiers.
- (US, sports, chiefly, basketball, horseracing) The favorite in a sporting event.
- (US, sports, chiefly, basketball) The prediction that there will be no upsets, and the favored competitor will win.
- French: craie
- German: Kreide
- Italian: gessetto
- Portuguese: giz
- Russian: мел
- Spanish: tiza, gis (Mexico), clarión (Spain), pizarrín
- French: magnésie
- German: Magnesiapulver
chalk (chalks, present participle chalking; past and past participle chalked)
- 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.
- (figuratively) 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.
- Let a bleak paleness chalk the door.