solipeds is incorrectly written, and should be written as "solipeds" being its meaning: solipeds = solipedosolipedo solipedosplural. ( from lat. slopes,-dis ).1. adj. Zool. It is said of the quadruped fitted with a single finger, whose fingernail, thickened, constitutes a very strong protective cover called hull; e.g., horse, donkey or Zebra.