BE PATIENT, wait a moment/second, just a moment/minute/second, hold on; informal hang on, hold your horses; Brit. informal hang about.
→ minute
* * *
wait a minute/moment/second idiom
1. to wait for a short time
•
Can you wait a second while I make a call?
2. used when you have just noticed or remembered sth, or had a sudden idea
•
Wait a minute— this isn't the right key.
Useful english dictionary. 2012.