To keep in possession or use.
To employ by paying a retainer.
To hold back (a pupil) instead of allowing them to advance to the next class or year.
To keep in one's pay or service.
To hold secure.
To take and keep (something, especially money, that is not one's own); to pocket.
To secretively steal (an item or money) for personal use.
To put (money) into one's trouser pocket; to pocket.
A pair of trousers.
Of or relating to trousers.