'Hyostylic' definitions:

Definition of 'Hyostylic'

From: GCIDE
  • Hyostylic \Hy`o*styl"ic\, a. [Hyo- + Gr. ? a pillar.] (Anat.) Having the mandible suspended by the hyomandibular, or upper part of the hyoid arch, as in fishes, instead of directly articulated with the skull as in mammals; -- said of the skull. [1913 Webster]