coal meaning and definition

COAL noun

Definition of coal (noun)

1. fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period
2. a hot fragment of wood or coal that is left from a fire and is glowing or smoldering
   • synonyms: ember

COAL verb

Definition of coal (verb)

1. burn to charcoal
   • "Without a drenching rain, the forest fire will char everything"
   • synonyms: char
2. supply with coal
3. take in coal
   • "The big ship coaled"