Anniversary \An`ni*ver"sa*ry\, 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.
{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.]