Meaning of beam
Pronunciation: (bēm), [key]
- any of various relatively long pieces of metal, wood, stone, etc., manufactured or shaped esp. for use as rigid members or parts of structures or machines.
- a horizontal bearing member, as a joist or lintel.
- a rigid member or structure supported at each end, subject to bending stresses from a direction perpendicular to its length.
- a horizontal structural member, usually transverse, for supporting the decks and flats of a vessel.
- the extreme width of a vessel.
- the shank of an anchor.
- the direction perpendicular to the plane of symmetry of an aircraft and outward from the side.
- the widest part.
- the measure across both hips or buttocks: broad in the beam.
- Seewalking beam.
- (in a loom) a roller or cylinder on which the warp is wound before weaving.
- a similar cylinder on which cloth is wound as it is woven.
- the crossbar of a balance, from the ends of which the scales or pans are suspended.
- a ray of light: The sun shed its beams upon the vineyard.
- a group of nearly parallel rays.
- a signal transmitted along a narrow course, used to guide pilots through darkness, bad weather, etc.
- a narrow stream of electrons, as that emitted from the electron gun of a cathode ray tube.
- the angle at which a microphone or loudspeaker functions best.
- the cone-shaped range of effective use of a microphone or loudspeaker.
- a gleam; suggestion: a beam of hope.
- a radiant smile.
- the principal stem of the antler of a deer.
- (of an aircraft) to be guided by a beam.
- The pollsters were off the beam again for the last presidential election.
- not on the course indicated by a radio beam.
- Informal.wrong; incorrect:The pollsters were off the beam again for the last presidential election.
- Their research is right on the beam and the results should be very valuable.
- on the course indicated by a radio beam, as an airplane.
- Naut.at right angles to the keel.
- Informal.proceeding well; correct; exact:Their research is right on the beam and the results should be very valuable.
- to emit in or as in beams or rays.
- to transmit (a signal) in a particular direction.
- to direct (a program, commercial message, etc.) to a predetermined audience.
- to emit beams, as of light.
- to smile radiantly or happily.
- to be received under optimum conditions; be heard loud and clear: They told me I was really beaming in.
- beam (Thesaurus)