Pronunciation: (bil'ding), [key]
1. a relatively permanent enclosed construction over a plot of land, having a roof and usually windows and often more than one level, used for any of a wide variety of activities, as living, entertaining, or manufacturing.
2. anything built or constructed.
3. the act, business, or practice of constructing houses, office buildings, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.