n.: limiting, narrow down, reservation, imprisonment, restriction, being confined, slicing, circumscribing or being circumscribed, quota system, shorten the arm of, tie, wrap, keep down, put sb. on short allowance, be confined to, hedge ... in with, hedge about with, be independent of, put the lid on, set a limit to, set measures to, embargo, circumscription, clampdown, confinement, constraint, astriction, qualification, law, etc that restricts, instance of this