Pisces

·noun ·pl The twelfth sign of the zodiac, marked / in almanacs.

II. Pisces ·noun ·pl A zodiacal constellation, including the first point of Aries, which is the vernal equinoctial point; the Fish.

III. Pisces ·noun ·pl The class of Vertebrata that includes the fishes. The principal divisions are Elasmobranchii, Ganoidei, and Teleostei.