registration window
nounUK /ˌredʒ.ɪˈstreɪ.ʃən ˈwɪn.dəʊ/
US /ˌredʒ.ɪˈstreɪ.ʃən ˈwɪn.doʊ/
A registration window is a special time when you are allowed to sign up for something.
The registration window for summer camp opens on Monday.
RELATED WORDS
OTHER MEANINGS
2. A short period during which students can choose or change their classes.
Check the school website for the class registration window.
3. A time slot when a vehicle's official papers must be renewed.
The car registration window closes at the end of the month.
4. A small opening or screen area where you complete a sign-up form online.
Fill in your name in the registration window before you continue.