Related Clues:

• Eliminate, in a way
• Remove with rubber
• Do a detention chore
• It's hard to do with ink
• Remove, as errors
• Help the teacher, perhaps
• Clear from memory
• Emergency button
• Clear tape
• Wipe the blackboard
• Backspace, perhaps
• Clean the blackboard
• Answering-machine button
• Clear, as a tape
• Render blank, as a floppy disk