• Webster's Revised Unabridged Dictionary
    • n Thyrohyal (Anat) One of the lower segments in the hyoid arch, often consolidated with the body of the hyoid bone and forming one of its great horns, as in man.
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Century Dictionary and Cyclopedia
    • n thyrohyal In zoology and anatomy, a bone developed in the third postoral visceral arch of the embryo of higher vertebrates, corresponding to the first branchial arch of fishes and amphibians. In man and other mammals, the greater cornu of the hyoid bone. See first cut under skull.
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