n. The act of applying or putting to; the act of laying on: as, the application of emollients to a diseased limb.n. The thing or remedy applied: as, the pain was abated by the application.n. The act of making request or of soliciting; the request so made: as, he made application to the Court of Chancery.n. The act of putting to a special use or purpose; adaptation to a specific end.n. The act of fixing the mind on something; close attention; devotion, as to a pursuit; assiduous effort.n. The act of applying a general principle, law, or theory to a particular case; the demonstration of the relation of a general principle to an actual state of things; the testing of something theoretical by applying it in practice.n. In law, appropriation; the act of allotting among several debts a payment inadequate to satisfy all. See appropriation, 4 .n. In astrology, the approach of a planet to any aspect.