anniversariann.
/ˌanᵻvəːˈsɛːrɪən/, U.S. /ˌænəvərˈsɛriən/ rare.† 1. U.S. A person elected to represent a society at an anniversary event and to deliver a commemorative address. Obsolete.
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1856 Mississippian (Jackson) 15 Feb. (advt.) The anniversary of the Hermean Society will be celebrated at Oxford, on the 22d of February, by a Public Procession and Oration. M. A. Oates, anniversarian.
1918 High School Q. (Univ. of Georgia) Jan. 96 I attribute the honors I obtained in the old historic society from which I was chosen..as its anniversarian, to the splendid training I had received along that line through the Alciphronian Society.
2. An officer in a religious house with responsibility for the commemoration of the anniversaries of founders, benefactors, etc. See anniversary n. 1. historical.
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1892 G. W. Kitchin Compotus Rolls St. Swithun's, Winchester Introd. 53 One other officer was immediately connected with the Church itself, the ‘Anniversarian’. He was a monk charged with the yearly commemoration of certain founders and benefactors of the Church and Monastery.
1996 A. Oakley in N. Yates Faith & Fabric ii. 45 The work of an anniversarian and novice master was coupled with that of the almoner.
This entry has been updated (OED Third Edition, March 2022).
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n.1856