Meaning ofastronomical yearin English

Noun

1. earth's orbit around the Sun; one complete cycle
   An astronomical year is the time it takes for Earth to complete one orbit around the Sun.
   Synonyms:

   tropical yearsolar year
   Antonyms:

   lunar cyclesidereal year
2. a tropical, sidereal, or anomalistic year; Earth's solar passage
   The astronomical year is used to calculate the timing of seasonal changes on our planet.
   Synonyms:

   solar yeartropical yearsidereal yearanomalistic yearorbital year
   Antonyms:

   lunar monthlunar yearplanetary cycle