break-off

Noun

That which breaks off, or is broken off / A break, discontinuance, or interruption / (billiards, snooker) The first shot in a game of snooker or other cue-game

Japanese Meaning

落ちたり切り離された部分、はがれた部分 / 中断、途切れ、休止 / （ビリヤード、スヌーカーにおける）ブレイクショット

What is this buttons?

A small break-off from the cliff landed in the sea below, startling the tourists.

Google Translation / DeepL Translation

崖から剥がれ落ちた小さな破片が下の海に落ち、観光客を驚かせた。

Details

Sense（1）

That which breaks off, or is broken off

Stable glacier advance and retreat Advancing glaciers may inundate land, override installations (e.g., hydropower installations), dam rivers and form lakes, cause ice break-offs when the glacier advances over a cliff, etc.

Google Translation / DeepL Translation