release

The event of setting (someone or something) free (e.g. hostages, slaves, prisoners, caged animals, hooked or stuck mechanisms).

(software) The distribution of an initial or new and upgraded version of a computer software product; the distribution can be either public or private.

Anything recently released or made available (as for sale).

That which is released, untied or let go.

(law) The giving up of a claim, especially a debt.

Liberation from pain or suffering.

(biochemistry) The process by which a chemical substance is set free.

(phonetics, sound synthesis) The act or manner of ending a sound.

(railways, historical) In the block system, a printed card conveying information and instructions to be used at intermediate sidings without telegraphic stations.

A catch on a motor-starting rheostat, which automatically releases the rheostat arm and so stops the motor in case of a break in the field circuit.

The catch on an electromagnetic circuit breaker for a motor, triggered in the event of an overload.

The lever or button on a camera that opens the shutter to allow a photograph to be taken

Orgasm.

(music) A kind of bridge used in jazz music.