Sĭg'mă, n.
n.; pl. SĬG'MĂS. 1. The Greek letter Σ, σ, or ς (English S, or s);—originally having the form of the English C. 2. A dining-table shaped like the letter C. Elmes.
n.; pl. SĬG'MĂS. 1. The Greek letter Σ, σ, or ς (English S, or s);—originally having the form of the English C. 2. A dining-table shaped like the letter C. Elmes.