Definition of coal:
a black rock formed from prehistoric
, composed largely of carbon
and burned as a fuel; a piece of coal used for burning. Note that in British English the first of the following examples would usually be used, whereas in American English the latter would
"put some coals on the fire."
to take in coal; as, the steamer
coaled at Southampton; to be converted to charcoal
"1957: As a result, particles of wood and twigs insufficiently coaled are frequently found at the bottom of such pits. — H.R. Schubert, History of the British Iron and Steel Industry, p. 18."