(used attributively as a modifier) Of or relating to trousers.

(in clothing retail and fashion) A pair of trousers.

(transitive, Britain, Ireland, informal) To put (money) into one's trouser pocket; to pocket.

(transitive, Britain, Ireland, informal) To secretively steal (an item or money) for personal use.

(transitive, Britain, Ireland, informal) To take and keep (something, especially money, that is not one's own); to pocket.