noun
plural beams
[count] a line of light coming from a source (such as the sun or a headlight)
a line of energy, particles, etc., that cannot be seen
a long and heavy piece of wood or metal that is used as a support in a building or ship
off beam
Brit informal :incorrect or mistaken
on the beam
informal :exactly correct
verb
beams; beamed; beaming
[no obj] :to smile happily
[+ obj] :to say (something) while smiling happily
to send out beams of light or energy [no obj]
[+ obj] :to send out (information, television signals, etc.) through wires or the air
[+ obj] in stories :to send (someone) to another place instantly by using a special machine