Definition of quoiting stone in US English:

quoiting stone

(also kirty stone)

noun

rare
  • A stone used for playing at quoits or (in Scotland) at curling.

Origin

Late Middle English; earliest use found in Glossary of W. de Bibbesworth. From quoiting + stone.

Pronunciation

quoiting stone

/ˈk(w)ɔɪtɪŋ ˌstəʊn/