Definition of: apply

(ə·plī′) v. ap·plied, ap·ply·ing v.t.
1. To bring into contact with something; attach, as surfaces.
2. To devote or put to a particular use: to apply steam to navigation.
3. To connect, as an epithet, with a particular person or thing.
4. To give (oneself) wholly to; devote: to apply oneself to study.
—v.i.
5. To make a request or petition; ask: with for: to apply for a position.
6. To have reference or appropriate relation; belong naturally: Your orders don't apply in an emergency. [ <OF aplier <L applicare join to < ad- to + plicare fold]