The Collaborative International Dictionary
Acrocomia aculeata
macamba \macamba\ n. A tropical American feather palm ( Acrocomia aculeata) having a swollen spiny trunk and edible nuts.
Syn: grugru, gri gri, grugru palm, Acrocomia aculeata.
Wikipedia
Acrocomia aculeata
Acrocomia aculeata is a species of palm native to tropical regions of the Americas, from southern Mexico and the Caribbean south to Paraguay and northern Argentina. Common names include grugru palm, macaúba palm, coyol palm, and macaw palm; synonyms include A. lasiospatha, A. sclerocarpa, and A. vinifera.