Formosan adj. Of, pertaining to, or characteristic of, Formosa or the natives of Formosa; as, The native Formosan population now forms a minority on their own island..
... shots fired into the jungle had been sufficient to clear the road for them. These two incidents served to convince Frobisher that there had been no exaggeration in the tales concerning the dangerous character of the Formosan savages; and he realised that the sooner a stockade and fort of some description could be erected, the better it would be ... — A Chinese Command - A Story of Adventure in Eastern Seas • Harry Collingwood