QUOIN Meaning of QUOIN in English quoin BrE AmE kɔɪn kwɔɪn ▷ quoined kɔɪnd kwɔɪnd ▷ quoining ˈkɔɪn ɪŋ ˈkwɔɪn- ▷ quoins kɔɪnz kwɔɪnz Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012