Pisces

1.

(PLURAL) The twelfth sign of the zodiac, marked / in almanacs.

2.

(PLURAL) A zodiacal constellation, including the first point of Aries, which is the vernal equinoctial point; the Fish.

3.

(PLURAL) The class of Vertebrata that includes the fishes. The principal divisions are Elasmobranchii, Ganoidei, and Teleostei.