σίγμα

A. sigma, v. Σς.
II. a <*> shaped portico, Princeton Exp.Inscr. III A No.560 (v A.D.), JHS 28.195 (Aspendus, written σῖμμα).
2. Lat. sigma, crescent-shaped dining-table, Mart. 10.48.6, etc.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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