noun
also roo·coo·yen or rou·cou·yenne |rüˌkü|yen
( plural rucuyen or rucuyens )
Usage: usually capitalized
1.
a. : a Cariban people of the Tumuc-Humac mountains between Brazil and the Guianas
b. : a member of such people
2. : a language of the Rucuyen people