4. To fix closely; to engage and employ diligently, or with attention; to attach; to incline. Apply thine heart unto instruction. Prov. xxiii. 12.

5. To direct or address. [R.] Sacred vows . . . applied to grisly Pluto. Pope.

6. To betake; to address; to refer; — used reflexively. I applied myself to him for help. Johnson.

7. To busy; to keep at work; to ply. [Obs.] She was skillful in applying his "humors." Sir P. Sidney.

8. To visit. [Obs.]
And he applied each place so fast. Chapman.
Applied chemistry. See under Chemistry.
— Applied mathematics. See under Mathematics.

APPLY
Ap*ply", v. i.

1. To suit; to agree; to have some connection, agreement, or analogy; as, this argument applies well to the case.

2. To make request; to have recourse with a view to gain something; to make application. (to); to solicit; as, to apply to a friend for information.

3. To ply; to move. [R.] I heard the sound of an oar applying swiftly through the water. T. Moore.

4. To apply or address one's self; to give application; to attend closely (to).