1. (n.) Any large piece of timber or iron long in proportion to its thickness, and prepared for use.

2. (n.) One of the principal horizontal timbers of a building or ship.

3. (n.) The width of a vessel; as, one vessel is said to have more beam than another.

4. (n.) The bar of a balance, from the ends of which the scales are suspended.

5. (n.) The principal stem or horn of a stag or other deer, which bears the antlers, or branches.

6. (n.) The pole of a carriage.

7. (n.) 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. (n.) The straight part or shank of an anchor.

9. (n.) 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. (n.) 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. (n.) A ray or collection of parallel rays emitted from the sun or other luminous body; as, a beam of light, or of heat.

12. (n.) Fig.: A ray; a gleam; as, a beam of comfort.

13. (n.) One of the long feathers in the wing of a hawk; -- called also beam feather.

14. (v. t.) To send forth; to emit; -- followed ordinarily by forth; as, to beam forth light.

15. (v. i.) To emit beams of light.

AM signal CRT spot DM display Doppler signal FM signal H beam I beam IF signal IF video signal IM display RF amplifier RF echoes RF signal RF stage TV band X ray abutment actinic ray actinism amplitude angle rafter arc-boutant atomic beam atomic ray audio signal backside balk bank bar batten be bright be in heaven be pleased beacon beam beam of light beat signal bedazzle beggar description behind billet blaze blind blips bloom board boarding boom border bottom bounce bounces box girder brace breadth breakwater breastsummer bright smile broad grin broadcast broadness broadside bulwark burn buttress buttress pier buttressing can cant hook caper caracole cheek chirp chirrup chop clapboard claw bar coast corbel cord cordwood crack a smile crank crossbeam crosstie crow crowbar dance daze dazzle deal delight derriere die with delight diffuse light direct signal display distance across double-dot display driftwood ear-to-ear grin echo echo signal embankment equalizing pulse expanse extent fan marker fanny feel happy firewood flame flank flare flare path flash flying buttress footing beam frolic fulgurate fullness gambol gamma ray girder give light glance glare gleam gleaming smile glint glow glowing smile go into raptures grin grinning groin hammer beam hand handedness handspike hanging buttress hardwood haunch hip hip rafter idiotic grin incandesce infrared ray invisible radiation iron crow jam jetty jimmy joist jowl joy jutty knock dead laterality lath lathing lathwork latitude lattice girder laugh leam lever lilt limb lintel local oscillator signal log lumber luster many-sidedness marker marlinespike mole multilaterality newscast output pulse output signal outrigger panelboard paneling panelwork patch peavey pedal pencil photoemission photon picture picture carrier pier pier buttress pinch bar pips plank planking plate girder plyboard plywood pole post posterior prize profile pry puncheon purr pylon quarter racon radar beacon radar signal radiate radiate cheer radiation radio radio beacon radio-frequency amplifier radio-frequency signal radio-frequency stage radiobroadcast radiorays rafter rampart ray ray of light reading rear reflected signal reflection retaining wall return return beam return signal ribbon ribbon of light ridge strut ridgepole ripping bar romp sardonic grin scanning beam seat seawall send send out rays shaft shake sheathing sheathing board