Main Entry: Pi·sces

Pronunciation: \ˈpī-(ˌ)sēz also ˈpi-ˌsēz or ˈpis-ˌkās\

Function: noun plural but singular in construction

Etymology: Middle English, from Latin (genitive Piscium), from plural of piscis fish — more at fish

1 : a zodiacal constellation directly south of Andromeda
2 a : the 12th sign of the zodiac in astrology — see zodiac table b : one born under this sign