Definitions
1.noun(Church history) A designated minister of charity in the early Church (see Acts 6:1-6).
2.noun(Orthodoxy and Roman Catholicism) A clergyman ranked directly below a priest, with duties of helping the priests and carrying out parish work.
3.nounFree Churches: A lay leader of a congregation who assists the pastor.
4.nounAnglicanism: An ordained clergyman usually serving a year prior to being ordained presbyter, though in some cases they remain a permanent deacon.
5.nounMethodism: A separate office from that of minister, neither leading to the other; instead there is a permanent deaconate.
6.nounA junior lodge officer.
7.nounThe lowest office in the Aaronic priesthood, generally held by 12 or 13 year old boys or recent converts.
8.noun(animal husbandry) A male calf of a dairy breed, so called because they are usually deaconed (see below).
9.nounThe chairman of an incorporated company.