(physics) a collection of waves, travelling together / (physics) a probability wave

(physics) The component of an electromagnetic wave (especially a radio wave) that travels directly from transmitter to receiver without being reflected

(oceanography, meteorology) A non-dispersive wave in the ocean or atmosphere that balances the Earth's Coriolis force against a topographic boundary such as a coastline, or a waveguide such as the equator.

(idiomatic) A simple gesture, as used for command, dismissal, or summoning something as if by magic.

(physics) A constant-frequency wave whose wavefronts are infinite parallel planes of constant peak-to-peak amplitude normal to the phase velocity vector.

(Singapore) Synonym of Mexican wave

A pattern of neural oscillation in humans, with a frequency between 25 and 100 Hz.

A wave for which gravity is the restoring force. / (proscribed) A gravitational wave.

Synonym of rogue wave

plural of hand waving.