Definition of coal pit in US English:

coal pit

noun

  • 1A pit or place in which wood or other organic matter is made into charcoal by heating or burning. Compare "coal". Now chiefly US and Caribbean.

  • 2A pit or mine where coal is excavated; a coal mine.

Origin

Old English. From coal + pit.

Pronunciation

coal pit

/ˈkəʊl ˌpɪt/