mayn't
may n't |ˈmā (ə )nt ˈmeɪ (ə )nt | rare ▶contraction may not.
mayn't |ˈmeɪənt | ▶contraction may not.
may n't /meɪnt ｟英 やや古 ｠/＝may not .
The Wordsmith Dictionary
The Wordsmith Dictionary