noun
break; split; point of breakage
Refers to the place where something has broken or split, or the act of breaking. Often used for physical objects like sticks, bones, or lines.
枝の折れ口が鋭くて危ない。
The break in the branch is sharp and dangerous.
骨の折れ口をレントゲンで確認する。
Check the fracture site with an X-ray.