Definitions
1.verbTo keep in possession or use.
2.verbTo keep in one's pay or service.
3.verbTo employ by paying a retainer.
4.verbTo hold secure.
5.verbTo hold back (a pupil) instead of allowing them to advance to the next class or year.
6.verbTo restrain; to prevent.
7.verbTo belong; to pertain.
8.nounThe act by which something or someone is retained; a retention.
9.adjectiveOf or pertaining to something that retains something else, as with a retaining wall.