What does bishop mean?
The definition of bishop
Bish”op, n.
Etym: [OE. bischop, biscop, bisceop, AS. bisceop, biscop, L. episcopus overseer, superintendent, bishop, fr. Gr. , over + inspector, fr. root of , , to look to, perh. akin to L. specere to look at. See Spy, and cf. Episcopal.]

1 A spiritual overseer, superintendent, or director. Ye were as sheep going astray; but are now returned unto the Shepherd and Bishop of your souls. 1 Pet. ii. 25. It is a fact now generally recognized by theologians of all shades of opinion, that in the language of the New Testament the same officer in the church is called indifferently “bishop” ( J. B. Lightfoot.
2 In the Roman Catholic, Greek, and Anglican or Protestant Episcopal churches, one ordained to the highest order of the ministry, superior to the priesthood, and generally claiming to be a successor of the Apostles. The bishop is usually the spiritual head or ruler of a diocese, bishopric, or see. Bishop in partibus [infidelium] (R. C. Ch.), a bishop of a see which does not actually exist; one who has the office of bishop, without especial jurisdiction. Shipley.

— Titular bishop (R. C. Ch.), a term officially substituted in 1882 for bishop in partibus.
— Bench of Bishops. See under Bench.

3 In the Methodist Episcopal and some other churches, one of the highest church officers or superintendents.
4 A piece used in the game of chess, bearing a representation of a bishop’s miter; — formerly called archer.
5 A beverage, being a mixture of wine, oranges or lemons, and sugar. Swift.
6 An old name for a woman’s bustle. [U. S.] If, by her bishop, or her “grace” alone, A genuine lady, or a church, is known. Saxe.

Bish”op, v. t.
[imp. & p. p. Bishoped; p. pr. & vb. n. Bishoping.]

To admit into the church by confirmation; to confirm; hence, to receive formally to favor.

Bish”op, v. t.
[imp. & p. p. Bishoped; p. pr. & vb. n. Bishoping.]
Etym: [From the name of the scoundrel who first practiced it. Youatt.] (Far.)

To make seem younger, by operating on the teeth; as, to bishop an old horse or his teeth.

Note: The plan adopted is to cut off all the nippers with a saw to the proper length, and then with a cutting instrument the operator scoops out an oval cavity in the corner nippers, which is afterwards burnt with a hot iron until it is black. J. H. Walsh.