波

polarisation; polarization; polarised wave; polarized wave

wave erosion

harmonic (wave)

waveguide (usually optical)

square wave

wavemeter

sleeping while on a sea voyage; falling asleep to the sound of the ocean

plane wave

wave power; wave force

filter; wave filter

leading wave (of a tsunami, i.e. when a wave crest reaches land before a trough)

sine wave

medium wave

incoming wave

wave modulation

seaworthiness

frequency meter; wavemeter

Astronomy

radio star

waveguide

senna tea

wave gauge

Japan and Poland

Physics

standing wave; stationary wave

Sakhalin surf clam (Pseudocardium sachalinense)