wave (moving disturbance in a liquid) / wave (moving disturbance in the energy level of a field) / undulation (a wavy appearance or outline) / wave (sudden unusually large amount of something that is temporarily experienced) / fashion; a temporary trend or manner

(physics) sound wave (longitudinal wave of pressure transmitted through any plastic material)

(physics, chiefly in the plural) microwave (electromagnetic wave with wavelength between that of infrared light and radio waves)

(physics) electromagnetic wave (wave of electromagnetic radiation)

(neurology) alpha wave (electrical signal produced by the brain while the subject is relaxed)

A municipality of São Paulo, Brazil

(Brazil, slang) to surf (to rive a wave on a surfboard)

(slang) to joke, to kid (to make a joke of something)

(relativity) gravitational wave

Hallyu, the Korean Wave