'Enneatical year' definitions:
Definition of 'Enneatical year'
From: GCIDE
- Enneatic \En`ne*at"ic\, Enneatical \En`ne*at"ic*al\, a. [Gr. 'enne`a nine.] Occurring once in every nine times, days, years, etc.; every ninth. [1913 Webster]
- Enneatical day, every ninth day of a disease.
- Enneatical year, every ninth year of a man's life. [1913 Webster]