IPA: /ˈoʊvərˌɡɑːrmənt/
KK: /ˈoʊvərˌɡɑrmənt/
A piece of clothing worn over other clothes, typically for warmth or protection.
She wore an overgarment to keep warm during the chilly evening.
Overgarment → It is formed from "over-" (meaning above or on top of) and "garment" (from Old French *garment*, meaning clothing or dress). The word "overgarment" refers to a piece of clothing worn on top of other garments.
Think of wearing something 'on top' ('over-') of your regular 'clothing' ('garment') — that's what an overgarment is.