ῥαπίζω: to strike with a stick, to cudgel, flog, bastinado

ῥαπίζω to slap
Derivation: from a derivative of a primary ῥέπω (to let fall, "rap");
KJV Usage: smite (with the palm of the hand). Compare G5180. G5180

Thayer:

1) to smite with a rod or staff
2) to smite in the face with the palm of the hand, to box the ear

ῥαπίζω
rhapizō
hrap-id'-zo
From a derivative of ῥέπω rhepō , a primary word, (to let fall, “rap”); to slap (with the palm of the hand)
KJV Usage: smite (with the palm of the hand). Compare G5180.