(countable) An outer garment covering the upper torso and arms.Wp

(countable) A covering of material, such as paint.Wp

(countable) The fur or feathers covering an animal's skin.Wp

(uncountable, nautical) Canvas painted with thick tar and secured round a mast or bowsprit to prevent water running down the sides into the hold (now made of rubber or leather).

The habit or vesture of an order of men, indicating the order or office; cloth.

A coat of arms.Wp

A coat card.

(transitive) To cover with a coating of some material.

(transitive) To cover like a coat.