serenade

n. [ F. sérénade, It. serenata, probably fr. L. serenus serene (cf. Serene), misunderstood as a derivative fr. L. serus late. Cf. Soirée. ] (Mus.) (a) Music sung or performed in the open air at nights; -- usually applied to musical entertainments given in the open air at night, especially by gentlemen, in a spirit of gallantry, under the windows of ladies. (b) A piece of music suitable to be performed at such times. [ 1913 Webster ]

v. t. [ imp. & p. p. Serenaded; p. pr. & vb. n. Serenading. ] To entertain with a serenade. [ 1913 Webster ]