Definition: Verse: The Word "RxB" refers to the Hebrew term used in Proverbs for referring to a person's knowledge of God, which is also known as "Rabboni". In Proverbs 17:20-24, it is said that a true rabboni has a heart for the Lord. The word is often translated by translating it into English and gives its meaning in the context of Proverbs, particularly regarding how to know God.