ἄστρωτος
From LSJ
τούτων γάρ ὄνομα μόνον κοινόν, ὁ δέ κατά τοὔνομα λόγος τῆς οὐσίας ἕτερος → though they have a common name, the definition corresponding with the name differs for each (Aristotle, Categoriae 1a3-4)
English (LSJ)
ον,
A without bed or bedding, εὕδω Epich.35.14, cf. Pl. Smp.203d, Plt.272a. 2 uncovered, Id.Prt.321c: metaph., bare, πέδον E.HF52. 3 of a horse, without trappings, Arr.Tact.2.3, Suid.