Beam
Beam (bēm) , noun
[Anglo-Saxon beám beam, post, tree, ray of light; akin to OFries. bām tree, Old Saxon bōm, Dutch boom, Old High German boum, poum, German baum, Icelandic baemr, Gothic bagms and Greek fy^ma a growth, fy^nai to become, to be. Compare Latin radius staff, rod, spoke of a wheel, beam or ray, and German strahl arrow, spoke of a wheel, ray or beam, flash of lightning. r97. See Be; compare Boom a spar.]
1.
Any large piece of timber or iron long in proportion to its thickness, and prepared for use.
2.
One of the principal horizontal timbers of a building or ship.
The beams of a vessel are strong pieces of timber stretching across from side to side to support the decks.
3.
The width of a vessel; as, one vessel is said to have more beam than another.
4.
The bar of a balance, from the ends of which the scales are suspended.
The doubtful beam long nods from side to side.
5.
The principal stem or horn of a stag or other deer, which bears the antlers, or branches.
6.
The pole of a carriage. [Poetic] — Dryden
7.
A cylinder of wood, making part of a loom, on which weavers wind the warp before weaving; also, the cylinder on which the cloth is rolled, as it is woven; one being called the fore beam, the other the back beam.
8.
The straight part or shank of an anchor.
9.
The main part of a plow, to which the handles and colter are secured, and to the end of which are attached the oxen or horses that draw it.
10.
(Steam Engine) A heavy iron lever having an oscillating motion on a central axis, one end of which is connected with the piston rod from which it receives motion, and the other with the crank of the wheel shaft; -- called also working beam or walking beam.
11.
A ray or collection of parallel rays emitted from the sun or other luminous body; as, a beam of light, or of heat.
How far that little candle throws his beams!
12.
A ray; a gleam; as, a beam of comfort. [Figurative]
Mercy with her genial beam.
13.
One of the long feathers in the wing of a hawk; -- called also beam feather.
Collocations (8)
Abaft the beam (Nautical) , in an arc of the horizon between a line that crosses the ship at right angles, or in the direction of her beams, and that point of the compass toward which her stern is directed.
Beam center (Machinery) , the fulcrum or pin on which the working beam of an engine vibrates.
Beam compass , an instrument consisting of a rod or beam, having sliding sockets that carry steel or pencil points; -- used for drawing or describing large circles.
Beam engine , a steam engine having a working beam to transmit power, in distinction from one which has its piston rod attached directly to the crank of the wheel shaft.
Before the beam (Nautical) , in an arc of the horizon included between a line that crosses the ship at right angles and that point of the compass toward which the ship steers.
On the beam , in a line with the beams, or at right angles with the keel.
On the weather beam , on the side of a ship which faces the wind.
To be on her beam ends , to incline, as a vessel, so much on one side that her beams approach a vertical position.
Beam (bēmd) , transitive verb
To send forth; to emit; -- followed ordinarily by forth; as, to beam forth light.
Beam , intransitive verb
To emit beams of light.
He beamed, the daystar of the rising age.