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Definition: acai also açai from Merriam-Webster's Collegiate(R) Dictionary

(1868) : a small dark purple fleshy berrylike fruit of a tall slender palm (Euterpe oleracea) of tropical Central and South America that is often used in beverages; also : the palm

Summary Article: açaí
from The Columbia Encyclopedia

(ä´´säē'), tree, Euterpe oleracea, of the family Arecaceae (palm family) and its fruit, grown chiefly in Pará state in the Amazon region of Brazil. The trees can grow to 60 ft (18 m). the small, round, dark purple fruits are typically 1/2 in. (1.3 cm) in diameter. Initially collected from the wild, açaí is now cultivated on plantations; the tree and other trees in the genus Euterpe are also grown for hearts of palm. The pulp of the açaí fruit, botanically a drupe, or stone fruit, is often sweetened and frozen. An important part of the local diet for centuries, it has since 2000 enjoyed growing popularity as a dietary supplement. Although studies have shown that the fruit is a source of antioxidants, claims about specific health benefits are unproven.

The Columbia Encyclopedia, © Columbia University Press 2018

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Full text Article acai or assai
The Penguin English Dictionary

/ahsahee, əsie/ noun 1 the small dark-purple grapelike fruit of a S American tree, Euterpe oleracea . 2 the highly...

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