D defs.my
Entry 2 senses · 2 variants Webster, 1913

Penthouse

/pĕn'-thousˌ/ · Pent·house · IPA /ˈpɛnt(h)aʊs/
01 n. A shed or roof sloping from the main wall or building, as over a door or window; a lean-to. Also figuratively.
  1. 1.
    A shed or roof sloping from the main wall or building, as over a door or window; a lean-to. Also figuratively.
02 a. Leaning; overhanging.
  1. 1.
    Leaning; overhanging.