(uncountable) A soft, white, powdery limestone (calcium carbonate, CaCO3).

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.

simple past tense and past participle of chalk

Something chalked on a surface. / (painting) The appearance of non-gloss paint on an exterior surface due to chemical deterioration and removal by weather.

present participle of chalk

plural of chalking

A surname.

Third-person singular simple present indicative form of chalk

plural of chalk

plural of Chalk