noun / verb
coat
KOHT/koʊt/
An outer layer covering and protecting something.
She wears a warm coat over her sweater every morning.

Etymology
Old French cote already named an outer garment such as a robe or tunic. The English warmth-and-protection sense preserves this basic clothing meaning.
In context
and now they've also done an in-vitro coat, a leather coat. It's miniscule, but it's a real coat. It's shaped like one.
It was my first day as a physician, with the long white coat ... I stumbled into the hospital
More examples
- The dog's thick coat keeps it warm in winter.
- The door needs a second coat of paint.
- Coat the pan with oil before adding the eggs.
Forms
coat · coats · coated · coating
coating noun — A layer spread over a surface.