D defs.my
Entry 2 senses Webster, 1913

Pisces

/pīs'-ēz/ · Pis·ces · IPA /ˈpaɪsiːz/
01 n. pl. The twelfth sign of the zodiac, marked ♓ in almanacs.
  1. 1.
    The twelfth sign of the zodiac, marked ♓ in almanacs.(Astron.)
  2. 2.
    The class of Vertebrata that includes the fishes. The principal divisions are Elasmobranchii, Ganoidei, and Teleostei.(Zool.)