beam - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “beam”

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beam

noun [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

beam

verb  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)
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