noun
breaker; breaking wave
Refers to a wave that is breaking or has broken, often near the shore. Used in nautical and coastal contexts.
サーファーは大きな砕け波を待っていた。
The surfer was waiting for a big breaker.
岩場に砕け波が打ち寄せていた。
Breaking waves were crashing against the rocky shore.
Compound of 砕け (kudake, the continuative form of 砕ける 'to break') + 波 (nami, 'wave'). Literally 'breaking wave'.