Definition of Ari in English:

Ari

Pronunciation /ˈɛːri/

noun

Astronomy
  • The constellation Aries. Chiefly as postpositive, designating a star of this constellation.

Origin

1920s; earliest use found in Transactions of the International Astronomical Union. Shortened from Aries (and partly also from its genitive form Arietis), originally as a graphic abbreviation.