Dictionary
lag' screw"
a heavy wood screw having a square or hexagonal head driven by a wrench. Also called
coach screw, lag bolt. See illus. under
screw. lag-screw
Pronunciation: (lag'skrOO"), [key]—
v.t.
to fasten with a lag screw.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.