'Box girder' definitions:

Definition of 'box girder'

(from WordNet)
noun
A beam built up from boards; has a hollow rectangular cross section [syn: box beam, box girder]

Definition of 'Box girder'

From: GCIDE
  • Box \Box\, n.; pl. Boxes [As. box a small case or vessel with a cover; akin to OHG. buhsa box, G. b["u]chse; fr. L. buxus boxwood, anything made of boxwood. See Pyx, and cf. Box a tree, Bushel.]
  • 1. A receptacle or case of any firm material and of various shapes. [1913 Webster]
  • 2. The quantity that a box contain. [1913 Webster]
  • 3. A space with a few seats partitioned off in a theater, or other place of public amusement. [1913 Webster]
  • Laughed at by the pit, box, galleries, nay, stage. --Dorset. [1913 Webster]
  • The boxes and the pit are sovereign judges. --Dryden. [1913 Webster]
  • 4. A chest or any receptacle for the deposit of money; as, a poor box; a contribution box. [1913 Webster]
  • Yet since his neighbors give, the churl unlocks, Damning the poor, his tripple-bolted box. --J. Warton. [1913 Webster]
  • 5. A small country house. "A shooting box." --Wilson. [1913 Webster]
  • Tight boxes neatly sashed. --Cowper. [1913 Webster]
  • 6. A boxlike shed for shelter; as, a sentry box. [1913 Webster]
  • 7. (Mach) (a) An axle box, journal box, journal bearing, or bushing. (b) A chamber or section of tube in which a valve works; the bucket of a lifting pump. [1913 Webster]
  • 8. The driver's seat on a carriage or coach. [1913 Webster]
  • 9. A present in a box; a present; esp. a Christmas box or gift. "A Christmas box." --Dickens. [1913 Webster]
  • 10. (Baseball) The square in which the pitcher stands. [1913 Webster]
  • 11. (Zool.) A Mediterranean food fish; the bogue. [1913 Webster]
  • Note: Box is much used adjectively or in composition; as box lid, box maker, box circle, etc.; also with modifying substantives; as money box, letter box, bandbox, hatbox or hat box, snuff box or snuffbox. [1913 Webster]
  • Box beam (Arch.), a beam made of metal plates so as to have the form of a long box.
  • Box car (Railroads), a freight car covered with a roof and inclosed on the sides to protect its contents.
  • Box chronometer, a ship's chronometer, mounted in gimbals, to preserve its proper position.
  • Box coat, a thick overcoat for driving; sometimes with a heavy cape to carry off the rain.
  • Box coupling, a metal collar uniting the ends of shafts or other parts in machinery.
  • Box crab (Zool.), a crab of the genus Calappa, which, when at rest with the legs retracted, resembles a box.
  • Box drain (Arch.), a drain constructed with upright sides, and with flat top and bottom.
  • Box girder (Arch.), a box beam.
  • Box groove (Metal Working), a closed groove between two rolls, formed by a collar on one roll fitting between collars on another. --R. W. Raymond.
  • Box metal, an alloy of copper and tin, or of zinc, lead, and antimony, for the bearings of journals, etc.
  • Box plait, a plait that doubles both to the right and the left.
  • Box turtle or
  • Box tortoise (Zool.), a land tortoise or turtle of the genera Cistudo and Emys; -- so named because it can withdraw entirely within its shell, which can be closed by hinged joints in the lower shell. Also, humorously, an exceedingly reticent person. --Emerson.
  • In a box, in a perplexity or an embarrassing position; in difficulty. (Colloq.)
  • In the wrong box, out of one's place; out of one's element; awkwardly situated. (Colloq.) --Ridley (1554) [1913 Webster]

Definition of 'Box 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]