Your ShelfYour Projects
Webster's Dictionary (1865)

Sommeil, n.

noun

(sŏm/mā'y', or sŏm/mäl'y'), n. [Fr.]

  1. Slumber; sleep.
  2. (Mus.) An air of the old serious operas of the French;—so called because these airs were calculated to tranquilize the feelings, and lull, even to drowsiness. Moore.