Lag screw Meaning, Definition & Usage

  1. noun a heavy woodscrew with a square or hexagonal head that is driven in with a wrench
    lag bolt.

WordNet


Definitions
  1. . See under Lag.
Definitions
  1. an iron bolt with a square head, a sharp-edged thread, and a sharp point, adapted for screwing into wood; a screw for fastening lags.

Webster 1913