πτυχίς

ίδος, ἡ
A. slab, in sg. as collective, μαρμάρων πτυχίς Procop.Gaz. Ecphr. p.151B.; = ἀκροστόλιον, the part of a ship on which the name was inscribed, Poll. 1.86; cf. πτύξ v.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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