lupus in fabulâ (L.), the wolf in the fable.
lusus naturæ (L.), a sport or freak of nature.
Lutetia (L.), Paris.
ma chère (Fr.), my dear (fem.).
ma foi (Fr.), upon my faith.
magna est veritas et prævalebit (L.), truth is great and will prevail [better, et prevalet, and prevails].
magni nominis umbra (L.), the mere shadow of a mighty name.
magnum bonum (L.), a great good.
magnum opus (L.), a great work.
maison do ville (Fr.), a town-house.