Pis'cēs, n. pl.

nounplural

(-seez), n. pl. [Lat. piscis, a fish; Pr. peis, peisso, O. Sp. pece, pece, N. Sp. pez, Pg. peixe, It. pesce, Fr. poisson.] (Astron.) The Fishes, the twelfth sign of the zodiac.

A drawing of the Pisces constellation, with two fish connected by a line and the Pisces zodiac symbol above them.
Pisces. Constellation and Sign.