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 : annex2: a structure or dwelling built on the roof of a building