coal (noun)
1: fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period
2: a hot glowing or smouldering fragment of wood or coal left from a fire [syn: ember]
coal
(verb)
1: burn to charcoal; "Without a drenching rain, the forest fire will char everything" [syn: char]
2: supply with coal
3: take in coal; "The big ship coaled"