from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To support or strengthen from beneath.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To strengthen, secure, or reinforce by passing a rope, cable, or chain around the underside of an object.
- v. To give fundamental support; provide with a sound or secure basis; provide supportive evidence for.
- v. To lend moral support to.
- v. To secure below or underneath.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To bind below; to gird round the bottom.
from The Century Dictionary and Cyclopedia
- To gird round the bottom; gird beneath.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. make secure underneath
- v. lend moral support to
From under- + gird. (Wiktionary)