gash

1. N-COUNT A gash is a long, deep cut in your skin or in the surface of something. 深长的切口

There was an inch-long gash just above his right eye. 就在他的右眼上方，有一道一英寸长的伤口。

2. V-T If you gash something, you accidentally make a long and deep cut in it. 割破

He gashed his leg while felling trees. 他砍树的时候割破了腿。

3. ADJ surplus to requirements; unnecessary, extra, or spare 不必要的; 额外的[slang]