Liddell–Scott–Jones: ἀργῠ́ρ-ωμα

ἀργῠ́ρ-ωμα,ατος,τό,

A. silver plate,mostly in pl., Lys. Fr. 56 , Antiph. 243.3 , Men. 475 , Plb. 5.2.10 , etc.: dat. pl. -ωμάτοις

IG 14.427i

i 15 (Tauromenium).

II. imitation silver,an alloy of tin, copper, and silver, PHolm. 1.35 .