from The Century Dictionary.

  • In ichthyology, situated above or upon, or forming the uppermost piece of, the tympanic pedicle which supports the mandible in fishes; hyomandibular.
  • noun In ichthyology, the uppermost or proximal bone of the tympanomandibular or third cranial hemal arch in fishes, by means of which the lower jaw is suspended from the skull: so named by Owen, but now usually called the hyomandibular (which see). The term is correlated with hypotympanic, mesotympanic, and pretympanic.
  • Situated upon or above the tympanum.


Sorry, no etymologies found.



Log in or sign up to get involved in the conversation. It's quick and easy.