Ancient dates

• One of the seven Catholic canonical hours
• Jan. 5 in old Rome
• July 7, e.g
• Ancient Roman calendar day
• Church service
• Ninth day before ides

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
early 15c., in reference to the Roman calendar, "ninth day (by inclusive reckoning) before the ides of each month" (7th of March, May, July, October, 5th of other months), from Latin nonæ (accusative nonas ), fem. plural of nonus "ninth." Ecclesiastical ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Nones \Nones\, n. pl. [L. nonae, so called because it was the ninth day before the ides, fr. nonus ninth, from novem nine. See Nine , Nones , 2, Noon .] (Roman Calendar) The fifth day of the months January, February, April, June, August, September, November, ...

Wiktionary Word definitions in Wiktionary
n. 1 In the http://en.wikipedia.org/wiki/Roman%20calendar the eighth day ('''ninth''' counting inclusively) before the ides of a month. 2 Midday, or the meal eaten at midday. 3 The liturgy said at midday. 4 Those without a religious affiliation.

WordNet Word definitions in WordNet
n. the fifth of the seven canonical hours; about 3 p.m.