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Definition of Girder
1. Noun. A beam made usually of steel; a main support in a structure.
Definition of Girder
1. n. One who girds; a satirist.
2. n. One who, or that which, girds.
Definition of Girder
1. Noun. A beam of steel, wood, or reinforced concrete, used as a main horizontal support in a building or structure ¹
¹ Source: wiktionary.com
Definition of Girder
1. a horizontal support [n -S]
Medical Definition of Girder
1. 1. One who, or that which, girds. 2. 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. Bowstring girder, Box girder, etc. See Bowstring, Box, etc. Girder bridge. See 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. Sandwich girder, a girder consisting of two parallel wooden beams, between which is an iron plate, the whole clamped together by iron bolts. Origin: From Gird to encircle. Source: Websters Dictionary (01 Mar 1998)