Strong's #1985: episkopos (pronounced ep-is'-kop-os)
from 1909 and 4649 (in the sense of 1983); a superintendent, i.e. Christian officer in genitive case charge of a (or the) church (literally or figuratively):--bishop, overseer.
Thayer's Greek Lexicon:
1) an overseer
1a) a man charged with the duty of seeing that things to be done by others are done rightly, any curator, guardian or superintendent
1b) the superintendent, elder, or overseer of a Christian church
Part of Speech: noun masculine
Relation: from G1909 and G4649 (in the sense of G1983)
Citing in TDNT: 2:608, 244
This word is used 5 times:
Acts 20:28: "Ghost hath made you overseers, to feed the church of God,"
Philippians 1:1: "at Philippi, with the bishops and deacons:"
1 Timothy 3:2: " A bishop then must be blameless, the husband of one wife,"
Titus 1:7: "For a bishop must be blameless, as the steward of God;"
1 Peter 2:25: "the Shepherd and Bishop of your souls."