'Metonic year' definitions:

Definition of 'Metonic year'

From: GCIDE
  • Metonic \Me*ton"ic\, a. [Cf. F. m['e]tonique.] Pertaining to, or discovered by, Meton, the Athenian. [1913 Webster]
  • Metonic year or Metonic cycle. (Astron.) See under Cycle. [1913 Webster] Metonymic