D defs.my
Entry 1 sense Webster, 1913

Hypural

· Hy·pu·ral · IPA /haɪˈpjʊəɹəl/
01 a. Under the tail; -- applied to the bones which support the caudal fin rays in most fishes.
  1. 1.
    Under the tail; -- applied to the bones which support the caudal fin rays in most fishes.(Anat.)