Quick Definition
ἔσοπτρον, ου, τό n.n. a mirror
Strong's Definition
from 1519 and a presumed derivative of 3700; a mirror (for looking into)
KJV Usage: glass. Compare 2734
UBS Dictionary of the Greek New Testament
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
ἔσ-οπτρον, -ov, τό, (ONTO), a mirror: 1 Co. xiii. 12; Jas. i. 23. (Sap. vii. 26; Sir. xii. 11; Pind. Nem. 7, 20; Anaer. 11, [7 (6)] 3; Plut.; al.) The mirrors of the ancients were made, not of glass [cf. B.D. 5. v. Glass, fin.], but of steel; Plin. ἢ. n. 33, (9) 45; 34, (17) 48 [but see the pass. just referred to, and B.D. s. v. mirror].
Mounce Concise Greek Dictionary
ἔσοπτρον esoptron 2x
mirror, Jas. 1:23; 1 Cor. 13:12*
Abbott-Smith Greek Lexicon
** ἔσ-οπτρον, -ου, ὁ
[in LXX: Wi 7:26, Si 12:11 * ;]
a mirror: I Co 13:12, Ja 1:23.†
Moulton & Milligan — Vocabulary of the Greek NT
ἔσοπτρον. CPR I. 2719 (Α.Ὁ. 190) ἔσοπτρον δίπτυχον : cf. the restoration in 2}. 212° (A.D. 230). Ina list of articles of furniture in the fragmentary P Oxy VI. 978 (ili/a.D.) we find mention of an ὄσοπτρον (/. ἔσοπτρον), and in a return of temple property, P Oxy XII. 1449! (A.D. 213-7), of ὄσυπτρον (2. ἔσοπτρον) apy(vpodv) π[αιδικ(όν), ‘a silver mirror for a child.
Liddell-Scott-Jones — Greek-English Lexicon
ἔσοπτρον (esoptron) — mirror. εἴσοπτρον (so [Refs 3rd c.AD+], mostly in the form ἔσοπτρον, τό, (ὄψομαι) looking-glass, mirror, [Refs 5th c.BC+]