Definition of “beam” - English Dictionary

“beam” in British English

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beamnoun [ C ]

uk /biːm/ us /biːm/

beamverb

uk /biːm/ us /biːm/

(Definition of “beam” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“beam” in American English

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beamnoun [ C ]

us /bim/

beam noun [ C ] (LIGHT)

a line of light coming from the sun or a bright light, esp. as seen against a darker background:

a beam of sunlight
A laser beam scans the disc’s surface.

beam noun [ C ] (WOOD)

a long, thick piece of wood, metal, or concrete, esp. one used to support weight in a building or other structure

beamverb

us /bim/

beam verb (SEND LIGHT)

[ I/T ] to send out a line of light:

[ I ] The sun beamed down on the ball field.
[ T ] Detroit stations are beamed (= broadcast) to Canadian communities.

beam verb (SMILE)

[ I ] to smile with obvious pleasure:

His face beamed as if he’d won a gold medal at the Olympics.

(Definition of “beam” from the Cambridge Academic Content Dictionary © Cambridge University Press)