Beam

Beam, bēm, n. a large and straight piece of timber or iron forming one of the main supports against lateral pressure of a building, ship, &c.: (fig.) from the figure of the mote and the beam—Matt. vii. 3: any of the transverse pieces of framing extending across a ship's hull, the greatest width of a ship or boat: the part of a balance from which the scales hang: the pole of a carriage: a cylinder of wood in a loom: a ray of light.—v.t. to send forth light: to shine.—n. Beam′-en′gine, a steam-engine which has a beam connecting the piston-rod with the crank of the wheel-shaft, as distinguished from one that has its piston-rod directly attached to the crank.—adv. Beam′ily.—n. Beam′iness.—adjs. Beam′less, without beams: emitting no rays of light; Beam′y, shining.—A beam sea, one rolling against the ship's side.—Before the beam, the bearing of any object when seen more in advance than on the beam; Abaft the beam, the reverse.—Lee or Weather beam, the side away from or towards the wind.—On her beam ends, a phrase applied to the position of a ship when so much inclined to one side that the beams become nearly vertical.—On the starboard beam, applied to any distant point out at sea, at right angles to the keel, and on the starboard or right-hand (as viewed from the stern) side of the ship; On the port beam similarly applies to the left hand. [A.S. béam, a tree, stock of a tree, a ray of light; Ger. baum, a tree; Gr. phyma, a growth—phy-ein, to grow.]