Entry 2 senses · 2 variants Webster, 1913 Diaconate /dī-ăk'-ən-ət/ · Di·ac·o·nate · IPA /daɪˈækənət/ n. a. 01 n. The office of a deacon; deaconship; also, a body or board of deacons. 1. The office of a deacon; deaconship; also, a body or board of deacons. 02 a. Governed by deacons. 1. Governed by deacons.