Main Entry: pent·house

Pronunciation: \ˈpent-ˌhau̇s\

Function: noun

Etymology: alteration of Middle English pentis, from Anglo-French apentiz, from apent, past participle of apendre, appendre to attach, hang against — more at append

Date: circa 1525

1 a : a shed or roof attached to and sloping from a wall or building b : a smaller structure joined to a building : annex
2 : a structure or dwelling built on the roof of a building