noun \ˈpent-ˌhas\

: an apartment on the top floor or roof of a building

Full Definition of PENTHOUSE

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

Examples of PENTHOUSE

  1. <had a small penthouse built to serve as a toolshed>


alteration of Middle English pentis, from Anglo-French apentiz, from apent, past participle of apendre, appendre to attach, hang against — more at append
First Known Use: circa 1525

Related to PENTHOUSE

addition, extension, annex


noun    (Concise Encyclopedia)

Enclosed area on top of a building. A penthouse can be an apartment on the roof or top floor of a building or a structure on the roof housing the top of an elevator shaft, air-conditioning equipment, or stairs leading to the roof. A penthouse is usually set back from the vertical face of a building, but as a real-estate term, penthouse may refer to any top floor, regardless of setbacks. Though the word now often suggests a luxurious apartment with a panoramic view, historically a penthouse was a lean-to, shed, or other small structure attached to a comparatively large building.


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