from the GNU version of the Collaborative International Dictionary of English
- n. a wrench used to tighten or loosen lug nuts, usually a steel rod having a hexagonally shaped socket which fits closely over the lug nut; sometimes in the shape of a cross, having several such sockets, one at the end of each arm, to accommodate nuts of different sizes.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a wrench with jaws that have projecting lugs to engage the object that is to be rotated
Sorry, no etymologies found.