What's the difference between i.e. and e.g.?
A protuberant stomach; paunch; potbelly: He's lean and mean, no bay window and no patience (1870s+)
window formed as the exterior expression of a bay within a structure, a bay in this context being an interior recess made by the outward projection of a wall. The purpose of a bay window is to admit more light than would a window flush with the wall line