The Chinese word for edger is
磨边机

mó biān jī

edger

Chinese Definition

edger
1. 磨边机器
2. 齐边机
3. 修边器
Components
磨
1. to grind; to sharpen
2. to rub; to chafe
3. to wear away; to obliterate
4. to wear out; to wear down; to erode
5. to dawdle; to waste (time)
6. to pester; to plague (someone)
7. grinder; mill
8. to grind; to mill
9. to turn around
10. (Cantonese) to waste time
11. (Teochew) to approach
边
1. Variant of 邊
机
1. Variant of 機
2. Alternative form of 几 (small table; stool)