intransitive verb sang, sung, singing sing′·ing

1. 1. to produce musical sounds or notes with the voice, esp. in a connected series, as in giving voice to a song
   2. to perform musical selections vocally, esp. as a professional
2. to use song or verse in description, praise, etc. of thee I sing
3. 1. to make musical sounds like those made by the human voice, as a violin or songbird
   2. to make a sound of whistling, buzzing, humming, etc., as a steaming teakettle, a bee, a strong wind, etc.
4. to have a sensation of ringing, humming, buzzing, etc., as the ears
5. to admit of being sung
6. to be exultant; rejoice a sight to make one's heart sing
7. Slang to confess to a crime, esp. so as to implicate others

Etymology: ME singen < OE singan, akin to Ger singen < IE base *sengwh- > Gr omphē, a voice, oracle

transitive verb

1. to render or deliver (a song, musical role, etc.) by singing
2. to chant or intone (part of a church service, etc.)
3. to describe, proclaim, extol, celebrate, etc. in or as in song or verse to sing someone's praises
4. to bring to a given state or place by or with singing to sing a baby to sleep

noun

1. Informal singing by a group gathered for the purpose
2. such a gathering of people