winter coat

 

• winter-coat

winter coat (plural winter coats)

1. A warm coat, often an overcoat, fit to be worn in winter
2. (zoology) An animal's seasonal appearance in winter, notably thicker and/or otherwise camouflaged plumage or fur after (often autumnal) moulting

   Regal ermine is made of the weasely stoat's winter coat

• summer coat

• tonic water