D defs.my
Entry 1 sense Webster, 1913

Hyostylic

· Hy·o·styl·ic · IPA
01 a. Having the mandible suspended by the hyomandibular, or upper part of the hyoid arch, as in fishes, instead of directly articulated with the…
  1. 1.
    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.(Anat.)