açai

/AH0 AY1/
noun
  1. 1

    Any of several South American palms, of the genus Euterpe, having a dark purple drupe.

  2. 2

    The fruit of these trees, harvested for its juice.

Source: https://en.wiktionary.org/wiki/a%C3%A7ai, https://en.wiktionary.org/wiki/acai