切口 Traditional form: 切口 Pinyin (reading): qiēkǒu Definitions: incision notch slit gash margin of a page trimmed edge (of a page in a book) Characters: 切 - to cut, to mince, to slice, to carve; close to; eager 口 - mouth; entrance, gate, opening Traditional characters: 切 - to cut, to mince, to slice, to carve; close to; eager 口 - mouth; entrance, gate, opening