reminder
re|mind|er /rɪm'aɪndər/ (reminders)
1 [N-COUNT] usu sing, oft N of n/wh, N that
Something that serves as a reminder of another thing makes you think about the other thing. (WRITTEN)
The British are about to be given a sharp reminder of what fighting abroad really means...
2 [N-COUNT]
A reminder is a letter or note that is sent to tell you that you have not done something such as pay a bill or return library books. (mainly BRIT)
...the final reminder for the gas bill.
1 [N-COUNT] usu sing, oft N of n/wh, N that
Something that serves as a reminder of another thing makes you think about the other thing. (WRITTEN)
The British are about to be given a sharp reminder of what fighting abroad really means...
2 [N-COUNT]
A reminder is a letter or note that is sent to tell you that you have not done something such as pay a bill or return library books. (mainly BRIT)
...the final reminder for the gas bill.