replycode
nounUK /rɪˈplaɪkəʊd/
US /rɪˈplaɪkoʊd/
A replycode is a special set of letters or numbers that a computer sends back to answer a message.
The server sent a replycode to confirm that the email was delivered.
OTHER MEANINGS
2. A short code used in a game or puzzle to answer a question.
Write the replycode in the box to unlock the next level.
3. A code word that tells someone you received their message.
Send a replycode so I know you got my text.
4. A number that shows the result of a request in a computer program.
The program printed a replycode of 200, meaning everything worked.