great year

noun Astronomy.

Platonic year.

Origin of great year

First recorded in 1905–10

Words nearby great year

great white hope, great white shark, great white way, great willow herb, great yarmouth, great year, great zimbabwe, great-, great-aunt, great-circle sailing, great-circle track

Definition for great year (2 of 2)

Great Year

noun

Magnus Annus.

British Dictionary definitions for great year

great year

noun

one complete cycle of the precession of the equinoxes; about 25 800 years