לבב lêbâb lay-bawb' From H3823; the heart (as the most interior organ); used also like H3820KJV Usage: + bethink themselves, breast, comfortably, courage, ([faint], [tender-] heart([-ed]), midst, mind, X unawares, understanding.
Brown-Driver-Briggs' Hebrew Definitionsלבב 1. inner man, mind, will, heart, soul, understanding a. inner part, midst 1. midst (of things) 2. heart (of man) 3. soul, heart (of man) 4. mind, knowledge, thinking, reflection, memory 5. inclination, resolution, determination (of will) 6. conscience 7. heart (of moral character) 8. as seat of appetites 9. as seat of emotions and passions 1a 2. as seat of courage Origin: from H3823 TWOT: 1071a Parts of Speech: Noun Masculine