Related Clues:

• Edge of a canyon
• Kind of cardiogram
• Bounce off the walls
• Net holder, on a court
• Reminiscent trace
• Radar blip
• Repeated sound
• Narcissus admirer
• ___ shot (joke follow-up)
• Circular edge
• Canyon call
• Sound rebounded
• Many check for it by saying ''Hello!''
• Bounced-back sound
• Crater part