• Webster's Revised Unabridged Dictionary
    • a Tympanohyal (Anat) Of or pertaining to the tympanum and the hyoidean arch.
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Century Dictionary and Cyclopedia
    • n tympanohyal In zoöl. and anatomy, a small cartilage or bone of man and some other mammals, recognizably distinct at an early period, subsequently fused with its surroundings, constituting one of the elements of the compound temporal bone, and in man situated at the root of the styloid process, in the course of the hyoidean arch.
    • tympanohyal Specifying this cartilage or bone.
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