from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A framework or skeleton, as for a building or statue.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A skeletal framework; an underlying structure.
- n. Any supporting framework under a vault, roof etc.
from The Century Dictionary and Cyclopedia
- n. In architecture, the framework or skeleton of a building or part of a building, as the ribs of a groined vault, the timber or metal frame of a roof, or the iron frame supporting a stained-glass window.
French, from Latin os, oss-, bone; see os2.(American Heritage® Dictionary of the English Language, Fourth Edition)
From French ossature, from Latin os ("bone") + -ature. (Wiktionary)