anniv

n.; pl. Anniversaries [ Cf. F. anniversaire. ] 1. The annual return of the day on which any notable event took place, or is wont to be celebrated; as, the anniversary of the Declaration of Independence. [ 1913 Webster ]

2. (R. C. Ch.) The day on which Mass is said yearly for the soul of a deceased person; the commemoration of some sacred event, as the dedication of a church or the consecration of a pope. [ 1913 Webster ]

3. The celebration which takes place on an anniversary day. Dryden. [ 1913 Webster ]

a. [ L. anniversarius; annus year + vertere, versum, to turn: cf. F. anniversaire. ] Returning with the year, at a stated time; annual; yearly; as, an anniversary feast. [ 1913 Webster ]

Anniversary day (R. C. Ch.). See Anniversary, n., 2. --
Anniversary week, that week in the year in which the annual meetings of religious and benevolent societies are held in Boston and New York. [ Eastern U. S. ] [ 1913 Webster ]