From Sing, Singing bird.
A California toadfish (Porichthys porosissimus).
(Science: physics) Singing flame, a flame, as of hydrogen or coal gas, burning within a tube and so adjusted as to set the air within the tube in vibration, causing sound. The apparatus is called also chemical harmonicon. Singing master, a man who teaches vocal music. Singing school, a school in which persons are instructed in singing.