pidgin
Concise Oxford English Dictionary © 2008 Oxford University Press:
pidgin /ˈpɪdʒɪn/
▶noun a grammatically simplified form of a language with elements taken from local languages, used for communication between people not sharing a common language. ■(Pidgin) another term for Tok Pisin.
– origin C19: Chin. alt. of Engl. business.
'pidgin' also found in these Oxford entries:

