Liddell-Scott-Jones

σκιάδιον (skiadion) an awning ^G:N-N

σκιάδιον [ᾰ], τό,

(σκιά) sunshade, parasol, ἐξεπετάννυτο ὥσπερ σ. καὶ πάλιν ξυνήγετο [Refs 5th c.BC+]; as a sign of effeminacy, καθήμενον ὑψηλῶς ὑπὸ σκιαδείῳ [Refs 5th c.BC+]

__2 a sort of broad-brimmed hat, like{θολία}, [Refs 3rd c.BC+]
__3 carriage with a tilt or hood, [Refs 9th c.AD+]; the tilt itself, [LXX]
__4 umbel of umbelliferous plants, [Refs 1st c.AD+]; also, flower-head or similar part of other plants, [Refs]
__5 perhaps arbour, [Refs 1st c.BC+]
__6 perhaps diminutive of σκιά, shade, [Refs 8th c.BC+]

_{LSJ Scripture Refs: LXX.Isa.66.20}