coals to Newcastle Definition

coal
noun

1. A hard brittle carbonaceous rock, usually black or brown in colour, formed by the compaction of partially decomposed plant material and used as a fuel.
2. A piece of this.

verb

tr & intr
coaled, coaling
1. To take in or provide with coal.

Idiom: coals to Newcastle

Something brought to a place where it is already plentiful.

Idiom: haul someone over the coals

colloq
To scold them severely.

Idiom: heap coals of fire on someone's head

To make them feel guilty by repaying evil with good.

Etymology: Anglo-Saxon col.