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English definition of “beam”

beam

noun [C]
 
 
/biːm/
LIGHT B2 a line of light shining from something: a laser beamLight
WOOD a long, thick piece of wood, metal, or concrete that is used to support weight in a building or other structureArches, columns and beams
(Definition of beam noun from the Cambridge Learners Dictionary © Cambridge University Press)
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