Dictionary entry

ποίμνιον

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

ποίμνιον, -ου, τό, = ποίμνη, q.v.,

[in LXX chiefly for עֹאן, also for עֵדֶר, etc.;]

a flock, prop., of sheep. Metaph., of Christians: Lk 12:32, Ac 20:28, 29, I Pe 5:3; τ. θεοῦ, I Pe 5:2.†