Sentence:  Now in almost every island the negro idiom is different. So often have some of the Antilles changed owners, moreover, that in them the negro has never been able to form a true "patois". He had scarcely acquired some idea of the language of his first masters, when other rulers and another tongue were thrust upon him, and this may have occurred four or five times. The result is a <WSD>"baragouin</WSD>" that defies analysis, a totally incoherent agglomeration of speech forms, a bewildering medley, fantastic, astonishing, incomprehensible, almost weird. 
Meaning of the word marked with <WSD> tags:  A pidgin.