Main Entry: ¹chalk

Pronunciation: \ˈchȯk\

Function: noun

Etymology: Middle English, from Old English cealc, from Latin calc-, calx lime; akin to Greek chalix pebble

Date: before 12th century

1 a : a soft white, gray, or buff limestone composed chiefly of the shells of foraminifers b : a prepared form of chalk or a material resembling chalk especially when used (as for writing on blackboards) as a crayon
2 a : a mark made with chalk b British : a point scored in a game

— chalky \ˈchȯ-kē\ adjective