In radio astronomy, the word "beam" is used to refer to the response pattern of an antenna to a signal. In this context, astronomers speak of beam convolution, beam solid angle, beam width.

Antenna Power Pattern, Beam Convolution, Beam--Clamped at Both Ends, Beam--Freely Supported at Both Ends, Beam--One End Clamped, One End Freely Supported, Beam Solid Angle, Beam Width, Bending Moment, Buckling Length, Cantilever, Elastica, Flexural Wave, Rod