PLESIOSAUR Meaning of PLESIOSAUR in English plesiosaur BrE AmE ˈpliːs i‿ə sɔː ˈpliːz- AmE \ ˈpliːz i‿ə sɔːr▷ plesiosaur|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012