Usage: 2 forms in 3 verses
Form Translated As     In Verse(s)
μηνίσκων crescents LXX.Judg.8.26
μηνίσκουσ crescents LXX.Judg.8.21LXX.Isa.3.18

Liddell-Scott-Jones

μηνίσκος (mēniskos) a crescent G:N-M

μηνίσκος, ,

diminutive of μείς, lunar crescent, [Refs 1st c.AD+]

__II any crescent-shaped body, especially
__II.1 covering to protect the head of statues, [Refs 5th c.BC+]
__II.2 Geometry texts, crescent-shaped figure, lune, used in finding areas, [Refs 4th c.BC+] “*Deff.” 36; διὰ τῶν μ. τετραγωνισμός [Refs 6th c.AD+]
__II.3 crescent-shaped line of battle, [Refs 2nd c.BC+]
__II.4 neck-ornament, [LXX+4th c.BC+]
__II.5 = olla, [Refs]

LSJ Scripture Refs: LXX.Isa.3.19LXX.Judg.8.21