Strong's #3824: lebab (pronounced lay-bawb')
from 3823; the heart (as the most interior organ); used also like 3820:--+ bethink themselves, breast, comfortably, courage, ((faint), (tender-)heart((-ed)), midst, mind, X unawares, understanding.
Brown-Driver-Briggs Hebrew Lexicon:
lêbâb
1) inner man, mind, will, heart, soul, understanding
1a) inner part, midst
1a1) midst (of things)
1a2) heart (of man)
1a3) soul, heart (of man)
1a4) mind, knowledge, thinking, reflection, memory
1a5) inclination, resolution, determination (of will)
1a6) conscience
1a7) heart (of moral character)
1a8) as seat of appetites
1a9) as seat of emotions and passions
1a10) as seat of courage
Part of Speech: noun masculine
Relation: from H3823
Usage:
This word is used 251 times:
Zechariah 8:17: "And let none of you imagine evil in your hearts against his neighbor; and love no"