8 letters · 9 points in Scrabble
noun a musical composition in several movements; has no fixed form
noun a song characteristically played outside the house of a woman
verb sing and play for somebody
originBorrowed from French sérénade, from Italian serenata, from the past participle of serenare, from Latin serenare, from serenus (“calm”), of uncertain origin (see there).
Etymology from Wiktionary, CC BY-SA 3.0