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]

The Collaborative International Dictionary of English. 2000.


Look at other dictionaries:

  • Girder — Gird er, n. [From {Gird} to sneer at.] One who girds; a satirist. [1913 Webster] …   The Collaborative International Dictionary of English

  • girder — main supporting beam that carries flooring, 1610s, agent noun from GIRD (Cf. gird), on notion of something that holds up something else. Used of iron bridge supports from 1853 …   Etymology dictionary

  • girder — [n] main support beam I beam, joist, rafter, tiebeam, truss; concepts 471,479 …   New thesaurus

  • girder — ► NOUN ▪ a large metal beam used in building bridges and large buildings. ORIGIN from GIRD(Cf. ↑gird) in the archaic sense «brace, strengthen» …   English terms dictionary

  • girder — [gʉr′dər] n. [ GIRD1 + ER] a large beam, usually horizontal, of timber or steel, for supporting the joists of a floor, the framework of a building, the superstructure of a bridge, etc …   English World dictionary

  • Girder — For the DC Comics character with this name, see Girder (comics). The ceiling of Hinkle Fieldhouse in Indianapolis, Indiana, was constructed of large trusses built of riveted girders. A girder is a support beam used in construction. Girders often… …   Wikipedia

  • girder — n. a steel girder * * * [ gɜːdə] a steel girder …   Combinatory dictionary

  • girder — UK [ˈɡɜː(r)də(r)] / US [ˈɡɜrdər] noun [countable] Word forms girder : singular girder plural girders a very large metal bar used for making the frame of a building, bridge, or other large structure …   English dictionary

  • girder — A continuous member usually running fore and aft under a deck for the purpose of supporting the deck beams and deck. Also see center girder longitudinal girder …   Dictionary of automotive terms

  • girder — [[t]gɜ͟ː(r)də(r)[/t]] girders N COUNT A girder is a long, thick piece of steel or iron that is used in the framework of buildings and bridges …   English dictionary

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