Liddell–Scott–Jones: σίγμα

σίγμαorσῖγμα, the letter

A. sigma, v. Σς .

II. a<*>shaped portico, Princeton Exp.Inscr.III A No. 560

(v A.D.), JHS 28.195 (Aspendus, writtenσῖμμα).

2. Lat.sigma, crescent-shaped dining-table, Mart. 10.48.6 , etc.