| 1. | 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. |
| 2. | Building Trades. a horizontal bearing member, as a joist or lintel. |
| 3. | Engineering. a rigid member or structure supported at each end, subject to bending stresses from a direction perpendicular to its length. |
| 4. | Nautical.
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| 5. | Aeronautics. the direction perpendicular to the plane of symmetry of an aircraft and outward from the side. |
| 6. | the widest part. |
| 7. | Slang. the measure across both hips or buttocks: broad in the beam. |
| 8. | Machinery.
|
| 9. | the crossbar of a balance, from the ends of which the scales or pans are suspended. |
| 10. | a ray of light: The sun shed its beams upon the vineyard. |
| 11. | a group of nearly parallel rays. |
| 12. | Radio, Aeronautics. a signal transmitted along a narrow course, used to guide pilots through darkness, bad weather, etc. |
| 13. | Electronics. a narrow stream of electrons, as that emitted from the electron gun of a cathode ray tube. |
| 14. | the angle at which a microphone or loudspeaker functions best. |
| 15. | the cone-shaped range of effective use of a microphone or loudspeaker. |
| 16. | Citizens Band Radio Slang. beam antenna. |
| 17. | a gleam; suggestion: a beam of hope. |
| 18. | a radiant smile. |
| 19. | the principal stem of the antler of a deer. |
| 20. | to emit in or as in beams or rays. |
| 21. | Radio. to transmit (a signal) in a particular direction. |
| 22. | Radio and Television. to direct (a program, commercial message, etc.) to a predetermined audience. |
| 23. | to emit beams, as of light. |
| 24. | to smile radiantly or happily. |
| 25. | beam in, Citizens Band Radio Slang. to be received under optimum conditions; be heard loud and clear: They told me I was really beaming in. |
| 26. | fly the beam, Radio, Aeronautics. (of an aircraft) to be guided by a beam. |
| 27. | off the beam,
|
| 28. | on the beam,
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(I-)beam
[ˈ(ɑɪ)bim]
|
on the beam
|