chalk
//tʃɔːk//
Noun
chalkSingular
chalksPlural
1
A soft white or gray sedite rock composed mainly of calcium carbonate, used for writing or drawing on blackboards.
The teacher wrote the answer on the blackboard with chalk.
2
A stick of chalk or similar substance used for writing or drawing.
The teacher picked up a piece of chalk and wrote on the blackboard.
Synonym
Verb
chalkInfinitive
chalkPresent tense
chalkedPast tense
chalkedPast participle
chalkingPresent participle
chalksThird-person singular
1
To write, draw, or mark with chalk.
The teacher chalked the answer on the blackboard.
2
To rub chalk on something, especially a cue stick in billiards.
He chalked his cue before taking the shot.