Definitions

1. 1. tick
2. 2. check mark (✓)
3. 3. number for verification (serial number, seat number etc)
4. 4. (fig.) two things match up

Components

• 对 duì – right
• 号 hào – ordinal number

Related Words

• 对号入座 duì hào rù zuò – to take one's seat according to the ticket number