BOWSTRING n.
aced, the thrust of which is resisted by a tie forming a chord of the arch. -- Bowstring girder, an arched beam strengthened by a tie connecting its two ends. -- Bowstring hemp (Bot.), the tenacious fiber of the Sanseviera Zeylanica, growing in India and Africa, from which bowstrings are made. Balfour.…
BRIDGE n.
ream, and made to pass from bank to bank by the action of the current or other means. -- Girder bridge or Truss bridge, a bridge formed by girders, or by trusses resting upon abutments or piers. -- Lattice bridge, a bridge formed by lattice girders. -- Pontoon bridge, Ponton bridge. See under Pontoon. -- Skew bridg…
CAMBER n.
An upward concavity in the under side of a beam, girder, or lintel; also, a slight upward concavity in a straight arch. See Hogback. Camber arch (Arch.), an arch whose intrados, though apparently straight, has a slightly concave curve upward. -- Camber beam (Arch.), a beam whose under side has a concave curve upward.…