girder Meaning, Definition & Usage

  1. noun a beam made usually of steel; a main support in a structure

WordNet

Gird"er noun
Etymology
From Gird to sneer at.
Definitions
  1. One who girds; a satirist.
Gird"er noun
Etymology
From Gird to encircle.
Definitions
  1. One who, or that which, girds.
  2. (Arch. & Engin.) A main beam; a stright, horizontal beam to span an opening or carry weight, such as ends of floor beams, etc.; hence, a framed or built-up member discharging the same office, technically called a compound girder. See Illusts. of Frame, and Doubleframed floor, under Double.

Webster 1913