Potos flavus po·tosf·la·vus uncommon noun 1. arboreal fruit-eating mammal of tropical America with a long prehensile tail Synonymskinkajouhoney bearpottoPotos flavusPotos caudivolvulus Related words Broader terms procyonid Parts Potos WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.