ANNIVERS'ARY, adjective [Latin anniversarius, of annus, year, and verto, to turn.] Returning with the year, at a stated time; annual; yearly; as an anniversary feast. ANNIVERS'ARY, noun 1. A stated day returning with the revolution of the year. The term is applied to a day on which some remarkable event is annually celebrated, or a day on which an interesting event is commemorated by solemnities of religion, or exhibitions of respect. In the Romish church, a day in which an office is yearly performed for the souls of the deceased. 2. The act of celebration; performance in honor of an event. ANNO DOMINI. [Latin] In the year of our Lord, noting the time from our Savior's incarnation; as Anno Domini, or adjective D. 1800. This was written Anno Domini, 1809 and revised adjective D. 1825 and 1827.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI