Definition of penthouse in English:

penthouse

Syllabification: pent·house
Pronunciation: /ˈpentˌhous
 
/

noun

  • 1An apartment on the top floor of a tall building, typically luxuriously fitted and offering fine views.
    More example sentences
    • Top floor flats are single-storey penthouses, with fully glazed walls opening on to terraces that offer views across Liverpool, the Mersey estuary and the distant Welsh mountains.
    • The first time I met him was in his London home: a penthouse, one floor below Michael Caine's, in a gated harbour community in Chelsea.
    • One of two apartments on the upper floor, the penthouse has a long, L-shaped entrance hallway, off which is a shelved hot press.
  • 2 archaic An outhouse or shelter built onto the side of a building, having a sloping roof.
    More example sentences
    • Conventionally skinned in metal, the penthouse roof drains to a gutter on the north side.

Origin

Middle English pentis (sense 2), shortening of Old French apentis, based on late Latin appendicium 'appendage', from Latin appendere 'hang on'. The change of form in the 16th century was by association with French pente 'slope' and house.

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