noun
Refers to a physical cut, notch, or slit made into a surface or material. Often used in cooking, woodworking, or describing a deep cut.
魚に切り込みを入れてから焼く。
Make a cut in the fish before grilling it.
木の板に深い切り込みがついている。
There is a deep notch in the wooden board.
noun
Used for a sudden, forceful entry or attack, often by police or military forces. 斬り込み can emphasize a slashing attack.
警察が暴力団の事務所に切り込みをかけた。
The police raided the gang's office.
敵陣に斬り込みをかける。
Launch an attack into the enemy camp.
Compound of 切り (kiri, continuative form of 切る 'to cut') and 込み (komi, continuative form of 込む 'to go into'). Literally 'cutting into'.