En`ne*at"ic (?), En`ne*at"ic*al (?), a. [Gr. nine.]
Occurring once in every nine times, days, years, etc.; every ninth.
Enneatical day, every ninth day of a disease. -- Enneatical year, every ninth year of a man's life.
© Webster 1913.
Log in or register to write something here or to contact authors.