ˈunder-ˌministry [under-1 6 b.] Subordinate service or office. 1651Jer. Taylor Serm. for Year ii. xxi. 272 That we should do all the under-ministeries we can in this great work.1660― Ductor iii. iv. rule 5 §2 The division of Ecclesiastical charges, the appointment of under-ministeries in the Church.