Meaning & Definition of word "Girder"

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    Girder

    /ˈɡɜːrdər/

    noun:

    • 1. A large beam used in building construction to support vertical loads.
      • Example: The construction team installed a steel girder to provide support for the roof.
    • 2. A principal beam in a structure, to which smaller beams are attached.
      • Example: The architect specified the dimensions of the girder to ensure the stability of the bridge.
    • 3. A main horizontal support of a floor or roof, typically used in framing.
      • Example: He reinforced the girder to prevent sagging in the wooden floor.

    Etymology

    Derived from Middle English 'gerder', from Old French 'gerder', meaning 'to hold up or support'.

    Common Phrases and Expressions

    steel girder:

    A steel beam used in construction for structural support.

    girder bridge:

    A type of bridge that uses girders as the main supporting elements.

    Related Words

    beam:

    A long, sturdy piece of squared timber or metal used to support the roof or floor of a building.

    truss:

    A framework of beams forming a rigid structure that supports a roof or bridge.

    joist:

    A length of timber or metal used to support a floor or ceiling.

    Slang Meanings of girder