CASTOR Meaning of CASTOR in English castor, C~ BrE AmE ˈkɑːst ə § ˈkæst- AmE \ ˈkæst ə r (= caster) ▷ castor|s z▶ ˌ castor ˈ oil BrE AmE▶ ˈ castor ˌ sugar, ˌ••ˈ•• BrE AmE Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012