Bible Dictionaries
Hyostylic

Webster's Dictionary

(a.) 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.

Bibliography Information
Webster, Noah. Entry for 'Hyostylic'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​h/hyostylic.html. 1828.