from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A bolt with a square or hexagonal head.
from the GNU version of the Collaborative International Dictionary of English
- n. A threaded hexagonal or square-headed bolt with a nut; it is tightened with a wrench and used to connect metal parts.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a bolt with a square or hexagonal head on one end and a threaded shaft on the other end; tightened with a wrench; used to connect metal parts
Sorry, no etymologies found.