#1
beam n. [
radio beam] a signal transmitted along a narrow path; guides airplane pilots in darkness or bad weather
. wn #2
beam n. long thick piece of wood or metal or concrete, etc., used in construction
. wn #3
beam v. smile radiantly; express joy through one's facial expression
. wn #4
beam n. [
ray, electron beam] a group of nearly parallel lines of electromagnetic radiation
. wn #5
beam n. [
beam of light, light beam, ray, ray of light, shaft, shaft of light, irradiation] a column of light (as from a beacon)
. wn