a. & n. from Sing, v. [ 1913 Webster ]
Singing bird. (Zool.)
Singing book,
Singing falcon
Singing hawk
Singing fish (Zool.),
Singing flame (Acoustics),
Singing master,
Singing school,
adv. With sounds like singing; with a kind of tune; in a singing tone. G. North (1575). [ 1913 Webster ]