The Collaborative International Dictionary of English v.0.48:

coyol \coyol\ n.
   a tropical American palm (Acrocomia vinifera) having edible
   nuts and yielding a useful fiber.

   Syn: coyol palm, Acrocomia vinifera.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

coyol
    n 1: tropical American palm having edible nuts and yielding a
         useful fiber [syn: coyol, coyol palm, Acrocomia
         vinifera]