lag-screw

[ lag-skroo ]
/ ˈlægˌskru /

verb (used with object)

to fasten with a lag screw.

Words nearby lag-screw

Definition for lag-screw (2 of 2)

lag screw

noun

a heavy wood screw having a square or hexagonal head driven by a wrench.
Also called coach screw, lag bolt.

Origin of lag screw

First recorded in 1870–75

British Dictionary definitions for lag-screw

lag screw

noun

a woodscrew with a square head

Word Origin for lag screw

from lag ³; the screw was originally used to fasten barrel staves