Liddell-Scott-Jones

κύαθος (kuathos) a cup ^G:N-M

κύαθος-ος, ὁ,

ladle, for drawing wine out of the κρατήρ, [Refs 6th c.BC+], etc.; cold metal ladles were applied to bruises, [Refs 4th c.BC+]; κύαθον αἰτήσεις τάχα you'll need a ladle shortly (from being so soundly beaten), [Refs 5th c.BC+]; ὑπωπιασμέναι.. καὶ κυάθους προσκείμεναι with ladles applied, [Refs 5th c.BC+]

__II Attic dialect measure holding two κόγχαι or four μύστρα, about 1/12 of a pint, [Refs 2nd c.AD+]
__III κύαθοι κλειδῶν ἀνεστηκότες filled-out hollows round the collar-bones, [Refs 2nd c.AD+]