closing rule
nounUK /ˈkləʊzɪŋ ruːl/
US /ˈkloʊzɪŋ ruːl/
A closing rule is a rule that tells you how to end something.
The closing rule says we must turn off the lights before we leave.
RELATED WORDS
OTHER MEANINGS
2. A rule that controls when a shop or place shuts.
The closing rule for the pool is nine o'clock.
3. A rule about how to close a letter or message.
Our teacher taught us the closing rule for writing emails.
4. A rule that ends a game or contest.
The closing rule stopped the game after ten rounds.