Definify.com
Webster 1913 Edition
Quinzaine
Quin′zaine
,Noun.
 The fifteenth day after a feast day, including both in the reckoning. 
[Written also 
quinzain
.] Definition 2025
quinzaine
quinzaine
English
Noun
quinzaine (plural quinzaines)
- The fifteenth day after a feast day, including both days in the reckoning.
 - (poetry) A piece of verse having fifteen lines.
 
French
Pronunciation
- IPA(key): /kɛ̃.zɛn/
 
Etymology
Noun
quinzaine f (plural quinzaines)
-  about fifteen people, about fifteen things, etc.
- Donnez-m'en une quinzaine. - Give me about fifteen (of them).
 - Nous étions une quinzaine. - There were about fifteen of us.
 
 - A period of fifteen consecutive days. By extension, two weeks; a fortnight.