Architecture a big window or number of windows projecting from outer wall surface of a building and developing a recess within.
Slang the protruding belly; a paunch.
A window space projecting outward through the primary wall space of a building and forming a bay in a room.
A protruding stomach.
In structure, properly, a window developing a recess or bay in an area, projecting outward, and increasing from floor or cellar on a strategy rectangular, semi-octagonal, or semi-hexagonal, but constantly straight-sided.