Verb

(contribut)

To give something, that is or becomes part of a larger whole.

* {{quote-magazine, year=2013, month=May-June, author= Katie L. Burke

, title= In the News , volume=101, issue=3, page=193, magazine=(American Scientist) , passage=Bats host many high-profile viruses that can infect humans, including severe acute respiratory syndrome and Ebola. A recent study explored the ecological variables that may contribute to bats’ propensity to harbor such zoonotic diseases by comparing them with another order of common reservoir hosts: rodents.}}

Verb

To produce musical or harmonious sounds with one’s voice.

"I really want to sing in the school choir." said Vera .

To express audibly by means of a harmonious vocalization.

* {{quote-book, 1852, Mrs M.A. Thompson, chapter=The Tutor's Daughter, Graham's American Monthly Magazine of Literature, Art, and Fashion, page=266 citation

, passage=In the lightness of my heart I sang catches of songs as my horse gayly bore me along the well-remembered road.}}

To soothe with singing.

to sing somebody to sleep

(slang) To confess under interrogation.

To make a small, shrill sound.

The air sings in passing through a crevice.

* Alexander Pope

O'er his head the flying spear / Sang innocent, and spent its force in air.

To relate in verse; to celebrate in poetry.

* Prior

Bid her sing / Of human hope by cross event destroyed.

(Milton)