noun
Refers to a cut, notch, or slit made in a surface or material. Often used for deliberate cuts in fabric, wood, or paper, as well as natural clefts.
布に切れ込みを入れてください。
Please make a cut in the cloth.
岩の切れ込みから水が流れ出ていた。
Water was flowing out from a cleft in the rock.