repeatbutton
nounUK /rɪˈpiːt bʌtən/
US /rɪˈpiːt bʌtən/
A repeat button is a button you press to play something again.
Press the repeat button to hear the song one more time.
OTHER MEANINGS
2. A control that makes a device keep repeating the same action automatically.
The repeat button on the alarm makes it beep every five minutes.
3. A key on a remote that replays the last part of a video.
She hit the repeat button to watch the funny part again.
4. A software button that sends the same command again.
Click the repeat button to resend the message.