sing

1. (intransitive) To produce musical or harmonious sounds with one’s voice.Examples: ""I really want to sing in the school choir," said Vera."intransitive

2. (intransitive) To perform a vocal part in a musical composition, regardless of technique.intransitive

3. (transitive) To express audibly by means of a harmonious vocalization.Examples: "sing a lullaby"; "In the lightness of my heart I sang catches of songs as my horse gayly bore me along the well-remembered road."transitive

4. (transitive) To soothe with singing.Examples: "to sing somebody to sleep"transitive

5. (ambitransitive) Of birds, to vocalise:ambitransitive

6. (ambitransitive) Of birds, to vocalise:Examples: "⁠I do but sing because I must, And pipe but as the linnets sing: And unto one her note is gay, ⁠For now her little ones have ranged; ⁠And unto one her note is changed, Because her brood is stol’n away."; "The evening was still very warm, and the birds in the woods were singing in praise of spring."ambitransitiveliterary