Definitions from Wiktionary ( )

▸ verb:  (intransitive) To produce musical or harmonious sounds with one’s voice.
▸ verb:  (intransitive) To perform a vocal part in a musical composition, regardless of technique.
▸ verb:  (transitive) To express audibly by means of a harmonious vocalization.
▸ verb:  (transitive) To soothe with singing.
▸ verb:  (ambitransitive) Of birds, to vocalise:
▸ verb:  (ornithology) To produce a 'song', for the purposes of defending a breeding territory or to attract a mate.
▸ verb:  (literary) To produce any type of melodious vocalisation.
▸ verb:  (intransitive, slang) To confess under interrogation.
▸ verb:  (intransitive) To make a small, shrill sound.
▸ verb:  To relate in verse; to celebrate in poetry.
▸ verb:  (intransitive) To display fine qualities; to stand out as excellent.
▸ verb:  (ergative) To be capable of being sung; to produce a certain effect by being sung.
▸ verb:  (Australia) In traditional Aboriginal culture, to direct a supernatural influence on (a person or thing), usually malign; to curse.
▸ noun:  The act, or event, of singing songs.
▸ noun:  A surname from English [in turn originating as an occupation].
▸ noun:  A surname from Chinese.
▸ noun:  a Sikh surname
▸ noun:  Alternative spelling of Singh A South Asian surname.

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