This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A beam, as of steel, wood, or reinforced concrete, used as a main horizontal support in a building or bridge.

n. A beam of steel, wood, or reinforced concrete, used as a main horizontal support in a building or structure

n. One who girds; a satirist.

n. One who, or that which, girds.

n. 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.

n. One who or that which girds, binds, or encircles. Specifically A main beam of either wood or iron, resting with each end upon a wall or pier, used to support a superstructure or a superincumbent weight, as a floor, the upper wall of a house, the roadway of a bridge, or the like.

n. one who girds or gibes; a satirist.

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

""There it is!" she exclaims, pointing to a dark blob, perched incongruously halfway along the main girder supporting the rig's permanently burning gas flare."

box girder   

beam   

sandwich girder    arched girder    z-girder    stiffening girder    open-web girder    half-lattice girder    equivalent girder    continuous girder    skeleton girder    plate-iron girder   

frame    double   

i-beam   

satirist   

Herder    birder    herder    murder   

truss    conduit    bulkhead    tubing    walkway    rafter    railing    brace    slat    pilings