Abbott-Smith Manual Greek Lexicon
στῆθος (G4738)
5 στῆθος , -ους, τό [in LXX: Ex 28:23 , 26 (29, 30) ( לֵב ), etc. ;] the breast : Jo 13:25 21:10 , Re 15:6 ; as a sign of penitence, τύπτειν ( εἰς ) τὸ σ. , Lk 18:13 23:48 ,†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain