release

Etymology 1

From Middle English relesen, relessen, from Old French relaisser (variant of relascher).

noun

1. The event of setting (someone or something) free (e.g. hostages, slaves, prisoners, caged animals, hooked or stuck mechanisms).
   Similar studies of rats have employed four different intracranial resorbable, slow sustained release systems—surgical foam, a thermal gel depot, a microcapsule or biodegradable polymer beads. 2013 May-June, Charles T. Ambrose, “Alzheimer’s Disease”, in American Scientist, volume 101, number 3, page 200
2. (software) The distribution, either public or private, of an initial or new and upgraded version of a computer software product.
3. Anything recently released or made available (as for sale).
   The video store advertised that it had all the latest releases.
4. That which is released, untied or let go.
   They marked the occasion with a release of butterflies.
5. (law) The giving up of a claim, especially a debt.
6. Liberation from pain or suffering.
7. (biochemistry) The process by which a chemical substance is set free.
8. (phonetics, sound synthesis) The act or manner of ending a sound.
9. (railways, historical) In the block system, a printed card conveying information and instructions to be used at intermediate sidings without telegraphic stations.
10. A device adapted to hold or release a device or mechanism as required.
    1. 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.
    2. The catch on an electromagnetic circuit breaker for a motor, triggered in the event of an overload.
    3. The lever or button on a camera that opens the shutter to allow a photograph to be taken.
11. Orgasm.
    She quivered in release.
12. Discharged semen
    His hot release pouring into her, filling her and adding to the wettness within her 31 Jan 97, MKara50188, “Repost! Abduction (J/K, mild bondage, M/F sex)”, in alt.startrek.creative.erotica (Usenet)
13. (music) A kind of bridge used in jazz music.

verb

1. To let go (of); to cease to hold or contain.
   He released his grasp on the lever.
2. To make available to the public.
   They released the new product later than intended.
3. To free or liberate; to set free.
   He was released after two years in prison.
4. To discharge.
   They released thousands of gallons of water into the river each month.
5. (telephony) (of a call) To hang up.
   If you continue to use abusive language, I will need to release the call.
6. (law) To let go, as a legal claim; to discharge or relinquish a right to, as lands or tenements, by conveying to another who has some right or estate in possession, as when the person in remainder releases his right to the tenant in possession; to quit.
7. To loosen; to relax; to remove the obligation of.
8. (soccer) To set up; to provide with a goal-scoring opportunity
   With the Gunners far too lightweight in midfield, Mikel Arteta dropped back into a deeper-lying role. This freed Yossi Benayoun to go further forward, a move that helped forge a rare Arsenal chance on 30 minutes when the Israeli released Van Persie, only for the Dutchman's snap-shot to be tipped around the post. September 13, 2011, Sam Lyon, “Borussia Dortmund 1-1 Arsenal”, in BBC
9. (biochemistry) To set free a chemical substance.
10. (intransitive) to come out; be out.
    when the game releases
    the new model will release on ...

Etymology 2

re- + lease

verb

1. (transitive) To lease again; to grant a new lease of; to let back.