Definition of "singing"

The act of using the voice to produce musical sounds; vocalizing.  examples

(informal) Disclosing information, or giving evidence about another.  examples

(US) A gathering for the purpose of singing shape note songs.  examples

(music) Smooth and flowing.  examples

(of a kettle etc.) Producing a whistling sound due to the escape of steam.  examples

present participle and gerund of sing  examples