Brown-Driver-Briggs (BDB)
H3820a
H3820a לֵב inner man , mind , will , heart . seldom of things in the midst of the sea . elsewhere of men . the inner man in contrast with the outer . the inner man , indef., soul , comprehending mind, affections and will . specific reference to mind . spec. ref. to inclinations , resolutions and determinations of the will . spec. ref. to conscience . [various] . for the man himself . as seat of appetites . as seat of emotions and passions . seat of courage H3820b לֵב קָמָי prob. late Atbash
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain