laceration
noun [ C or U ] formal uk/ˌlæs.ərˈeɪ.ʃən/ us/ˌlæs.əˈreɪ.ʃən/
伤口，口子
a cut
The boy had received horrific injuries in the attack, including lacerations to both arms. 那次袭击中男孩受了重伤，两只手臂上都有伤口。
The body showed signs of laceration and bruising. 尸体有割伤和淤血的痕迹。