APPLY

a-pli': Purely an Old Testament term representing five Hebrew originals which signify respectively, "to enter," "to incline," "to give," "to go about," "to put or place," in each instance spoken of the heart in its attitude to wisdom (Psalms 90:12 the King James Version); instruction (Proverbs 23:12); understanding (Proverbs 2:2); knowledge (Proverbs 22:17).

From the International Standard Bible Encyclopedia
Edited by James Orr, published in 1939 by Wm. B. Eerdmans Publishing Co.