'Girder' definitions:
Definition of 'girder'
From: WordNet
noun
A beam made usually of steel; a main support in a structure
Definition of 'Girder'
From: GCIDE
- Girder \Gird"er\, n. [From Gird to sneer at.] One who girds; a satirist. [1913 Webster]
Definition of 'Girder'
From: GCIDE
- Girder \Gird"er\, n. [From Gird to encircle.] [1913 Webster]
- 1. One who, or that which, girds. [1913 Webster]
- 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. [1913 Webster]
- Bowstring girder, Box girder, etc. See under Bowstring, Box, etc.
- Girder bridge. See under Bridge.
- Lattice girder, a girder consisting of longitudinal bars united by diagonal crossing bars.
- Half-lattice girder, a girder consisting of horizontal upper and lower bars connected by a series of diagonal bars sloping alternately in opposite directions so as to divide the space between the bars into a series of triangles. --Knight.
- Sandwich girder, a girder consisting of two parallel wooden beams, between which is an iron plate, the whole clamped together by iron bolts. [1913 Webster]