1. (noun) radio beam, beam
a signal transmitted along a narrow path; guides airplane pilots in darkness or bad weather
2. (noun) beam
long thick piece of wood or metal or concrete, etc., used in construction
3. (noun) beam, ray, electron beam
a group of nearly parallel lines of electromagnetic radiation
4. (noun) beam, beam of light, light beam, ray, ray of light, shaft, shaft of light, irradiation
a column of light (as from a beacon)
5. (noun) beam
(nautical) breadth amidships
6. (noun) beam
the broad side of a ship
"they sighted land on the port beam"
7. (verb) balance beam, beam
a gymnastic apparatus used by women gymnasts
8. (verb) beam
smile radiantly; express joy through one's facial expression
9. (verb) shine, beam
emit light; be bright, as of the sun or a light
"The sun shone bright that day"; "The fire beamed on their faces"
10. (verb) beam
express with a beaming face or smile
"he beamed his approval"
11. (verb) air, send, broadcast, beam, transmit
broadcast over the airwaves, as in radio or television
"We cannot air this X-rated song"
12. (verb) glow, beam, radiate, shine
have a complexion with a strong bright color, such as red or pink
"Her face glowed when she came out of the sauna"
13. (verb) glow, beam, radiate, shine
experience a feeling of well-being or happiness, as from good health or an intense emotion
"She was beaming with joy"; "Her face radiated with happiness"
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Definition of 'beam' 
