simple past tense and past participle of retain

plural of retainer

Of or pertaining to something that retains something else, as with a retaining wall.

The act by which something or someone is retained; a retention.

present participle of retain

Capable of being retained.

retention

plural of retainment

The act of retaining or keeping; retention.

(transitive) To keep in possession or use. / (transitive) To keep in one's pay or service. / (transitive) To employ by paying a retainer. / (transitive) To hold secure.