SPERMACETI Meaning of SPERMACETI in English spermaceti BrE AmE ˌspɜːm ə ˈset i -ˈsiːt i AmE \ ˌspɝːm ə ˈset̬ i -ˈsiːt̬ i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012