(1):
(prep.) Hence, inside the limits, reach, or influence of; not going outside of; not beyond, overstepping, exceeding, or the like.
(2):
(adv.) In the inner part; inwardly; internally.
(3):
(prep.) In the inner or interior part of; inside of; not without; as, within doors.
(4):
(adv.) In the house; in doors; as, the master is within.
(5):
(prep.) In the limits or compass of; not further in length than; as, within five miles; not longer in time than; as, within an hour; not exceeding in quantity; as, expenses kept within one's income.