Related Clues:

• Cancels, with "out"
• Kisses, in love letters
• Eliminates, with "out"
• Fills a box, sometimes
• Critical marks on treasure maps
• Sign-off kisses
• Marks, as a survey box
• Important markings on treasure maps
• ___ out (cancels)
• Marks a box
• They’re found in ballot boxes
• Important marks on treasure maps