great year


noun Astronomy.

Origin of great year

First recorded in 1905–10

Definition for great year (2 of 2)

Great Year

noun


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British Dictionary definitions for great year

great year

noun

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012