Noun

The process of keeping (something or someone) safe.

:

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*:But then I had the flintlock by me for protection . ¶ There were giants in the days when that gun was made; for surely no modern mortal could have held that mass of metal steady to his shoulder. The linen-press and a chest on the top of it formed, however, a very good gun-carriage; and, thus mounted, aim could be taken out of the window.

The state of being safe.

A means of keeping or remaining safe.

A means, such as a condom, of preventing pregnancy or sexually transmitted disease.

(lb) Coverage.

Immunity from harm obtained by illegal payments, as bribery or extortion.

(lb) Restrictions on foreign competitors which limit their ability to compete with domestic producers of goods or services.

(lb) An instance of a security token associated with a resource (such as a file).

Noun

(en noun)

The action of intervening; interfering in some course of events.

* {{quote-news

, year=2011 , date=October 29 , author=Phil McNulty , title=Chelsea 3 - 5 Arsenal , work=BBC Sport citation , page= , passage=Fernando Torres was recalled in place of the suspended Didier Drogba and he was only denied a goal in the opening seconds by Laurent Koscielny's intervention - a moment that set the tone for game filled with attacking quality and littered with errors.}}

(US, legal) A legal motion through which a person or entity who has not been named as a party to a case seeks to have the court order that they be made a party.

An orchestrated attempt to convince somebody with an addiction or other psychological problem to seek professional help and/or change their behavior.