Definition of reveille-matin in English:

reveille-matin

noun

  • An alarm mechanism in a clock; an alarm clock.

Origin

Early 17th century (in an earlier sense). From French réveille-matin alarm clock from réveille-, stem of réveiller + matin in the morning, use as adverb of matin morning.

Pronunciation

reveille-matin

/rɪˈveɪmatã/