IPA: //ˈsnoʊˌsuːt//
KK: /ˈsnoʊˌsuːt/
A warm outfit made of thick material that covers the whole body, usually worn in cold weather to keep warm while playing outside.
She put on her snowsuit before going out to play in the snow.
Snowsuit is formed from "snow" (from Old English *snāw*, meaning frozen precipitation) and "suit" (from Old French *suite*, meaning a set of clothing). The word "snowsuit" refers to a set of clothing designed to be worn in snowy conditions.
Think of 'snow' as frozen precipitation and 'suit' as a set of clothing — a snowsuit is a set of clothing made for snowy weather.