(idiomatic, music) To sing some music while someone else is singing or playing the same piece of music or while it is being broadcast or performed

(colloquial, singing) A gathering or event where participants are encouraged to add their voices in song.

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; a chemical harmonicon.

A California toadfish (Porichthys porosissimus), noted for the humming sound it produces during the breeding season.

plural of singing voice

plural of singing bowl

A small town and district of Luang Namtha Province, in northwestern Laos.

plural of singing hinny

(UK) A kind of bannock or scone with currants, traditional in the north of England.

plural of singing fish