Lexical Definition

‎κέρας‎ kéras (ker'-as) horn ^G:N-N
from a primary (the hair of the head)

horn.

• a horn (literally or figuratively)

Abbott-Smith

κέρας, -ατος (pl. not irreg. as in Attic), τό, [in LXX chiefly for קֶרֶן;]
a horn: Re 5:6 12:3 13:1, 11 17:3, 7, 12, 16; of the projections at the corners of the altar (Ex 29:12, al.): Re 9:13. Metaph., as symbol of strength, κ. σωτηρίας (cf. Ps 17 (18):3*, al.): Lk 1:69.†

Abbott-Smith References

Liddell-Scott-Jones

κέρας, τό,

Epic dialect genitive Κέρᾰος, Attic dialect contraction κέρως; Epic dialect dative κέρᾰϊ (elided) or κέραι or κέρᾳ [Refs 8th c.BC+] nominative plural κέρᾱ (see. below), genitive κεράων, κερῶν, dative κέρασι, _Epic dialect_ κεράεσσι:—Attic dialect Inscrr. have dual [κέρ]ατε [Refs] later Epic dialect κεράατα ([music notation]) [Refs 8th c.BC+], a is shortened before a vowel, [Refs 8th c.BC+]; but ᾱ in Trag.and Comedy texts, κέρᾱτος [Refs 5th c.BC+]; compare κεραός.)

__I the horn of an animal, in [Refs 8th c.BC+] mostly of oxen, [Refs 8th c.BC+]; ὀφθαλμοὶ δ᾽ ὡς εἰ κέρα ἕστασαν his eyes stood fixed and stiff like horns, [Refs 8th c.BC+]; as a symbol of strength, [LXX+4th c.BC+]; of elephants' tusks, [Refs 2nd c.AD+]
__I.2 antennae of crustaceans, [Refs 4th c.BC+]; of the silkworm's grub, [Refs]
__II horn, as a material, αἱ μὲν γὰρ [πύλαι] κεράεσσι τετεύχαται [Refs 8th c.BC+]; the horn of animals' hoofs, [Refs 3rd c.AD+]
__III anything made of horn,
__III.1 bow, τόξον ἐνώμα.. πειρώμενος.. μὴ κέρα ἶπες ἔδοιεν [Refs 8th c.BC+]
__III.2 of musical instruments, horn for blowing, σημῆναι τῷ κέρατι [Refs 5th c.BC+]; also, the Phrygian flute, because it was tipped with horn [Refs 2nd c.AD+]
__III.3 drinking-horn, ἐκ τοῦ κέρατος αὖ μοι δὸς πιεῖν [Refs 5th c.BC+]; ἐξ ἀργυρέων κ. πίνειν [Refs 5th c.BC+]; for measuring liquids, [Refs 2nd c.AD+]
__III.4 Ἀμαλθείας κ. cornucopiae, see at {Ἀμάλθεια}.
__IV βοὸς κ. probably a horn guard or cover attached to a fishing-line, [Refs 8th c.BC+] (also explained as a fishing-line of ox-hair (compare belowsee.l), cited in [Refs 1st c.AD+]; perhaps an artificial bait).
__IV.2 clyster-pipe, [Refs 4th c.AD+]
__IV.3 in plural, horn points with which the writing-reed was tipped, [Refs 1st c.BC+]
__V of objects shaped like horns,
__V.1 a mode of dressing the hair, κέρᾳ ἀγλαέ [Refs 8th c.BC+] (unless the meaning be bow),[Refs 3rd c.BC+]; compare iv. l, and see at {κεροπλάστης}.
__V.2 arm or branch of a river, Ὠκεανοῖο κ. [Refs 8th c.BC+]; τὸ κ. τὸ Βυζαντίων the 'Golden Horn', [Refs 3rd c.BC+]; Ἑσπέρου K., name of a bay, [Refs 4th c.BC+]
__V.3 wing of an army, [Refs 5th c.BC+]; κ. δεξιόν, λαιόν, [Refs 5th c.BC+]
__V.3.b κατὰ κέρας προσβάλλειν, ἐπιπεσεῖν, to attack in flank, [Refs 5th c.BC+]; κατὰ κ. προσιέναι, ἕπεσθαι, [Refs 5th c.BC+]
__V.3.c ἐπὶ κέρας ἀνάγειν τὰς νέας to lead a fleet in column, [Refs 5th c.BC+]; of armies, κατὰ κέρας, opposed to ἐπὶ φάλαγγος, [Refs 5th c.BC+]; οὐκ ἐλᾶτε πρὸς τὸ δεξιὸν κ.; [Refs 5th c.BC+]
__V.4 corps of[Refs]men, ={διφαλαγγαρχία}, [Refs 1st c.BC+]
__V.4.b = {μεραρχία}, [Refs 1st c.BC+]
__V.4.c contingent of thirty-two chariots, [Refs 2nd c.AD+]
__V.5 sailyard, ={κεραία}, [Refs 1st c.BC+]
__V.6 mountainpeak, variant in [Refs]; spur, τὸ κ. τοῦ ὄρους [Refs 5th c.BC+]: in plural, extremities of the earth, γῆς [Refs 2nd c.AD+]
__V.7 in Anatomy, extremities of the uterus, [Refs 5th c.BC+]; of the diaphragm, [Refs 2nd c.AD+]
__V.7.b ἁπαλὸν κ., = {πόσθη}, [Refs 7th c.BC+]
__V.8 of the πήχεις of the lyre, χρυσόδετον κ. [Refs 5th c.BC+] (rather than the bridge, because made of horn, [Refs 2nd c.AD+]
__VI κέρατα ποιεῖν τινι to give him horns, cuckold him, proverbial in [Refs 2nd c.AD+]
__VII = {κερατίνης}, [Refs 2nd c.AD+]
__VIII = {σταφυλῖνος ἄγριος}, [Refs 1st c.AD+]; ={οἰνάνθη}, uncertain in Ps.-[Refs 1st c.AD+]

_{LSJ Scripture Refs: LXX.Ps.17.3*}