滚轮

Traditional form:

滾輪

Pinyin (reading):

gǔnlún

Definitions:

• roller
• rotating dial
• (computer mouse) scroll wheel
• (road roller) drum

Characters:

• 滚 - to boil, to roll, to turn
• 轮 - wheel; to turn, to revolve; to recur

Traditional characters:

• 滾 - to boil, to roll, to turn
• 輪 - wheel; to turn, to revolve; to recur