koa /kəʊə/ noun1 •A large tree of species Acacia koa (family Fabaceae) which is endemic to and common on the islands of Hawaii; or the wood of this tree.As you get higher, native vegetation takes over, so a prospect might be framed by the dangling leaves of the beautiful koa tree, each leaf a gently curved, trembling sickle. — 2004 formskoas
