flag·el·late 
/ˈflæʤəˌleɪt/ verb
flag·el·lates; flag·el·lat·ed; flag·el·lat·ing /ˈflæʤəˌleɪt/ verb [+ obj] formal : to hit (yourself or another person) with a whip as punishment or as part of a religious ritual — sometimes used figuratively ▪ He flagellated [=severely criticized] himself for years for allowing the business to fail. — see also self-flagellation
— flag·el·la·tion /ˌflæʤəˈleɪʃən/ noun [noncount]
▪ ritual flagellation
/ˌflæʤəˈleɪʃən/ noun [noncount] ▪ ritual flagellation
