Abbott-Smith Manual Greek Lexicon
ἀρνίον (G721)
30 ἀρνίον , -ου, τό (dimin. of ἀρήν ; v. MM, s.v.), [in LXX: Ps 113 (114):4 , 6 (pl., עאֹן בְּנֵן ), Je 11:19 ( כֶּבֶשׁ ), 27 (50):45 ( צָעִיר )*;] a little lamb , a lamb : Jo 21:15 , Re 27 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain