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Definition of: hyoid
(hī′oid) noun Anat.
A U–shaped bone at the base of the tongue, for the attachment of the muscles of deglutition: also hyoid bone.
—adjective
1. Pertaining to the hyoid bone.
2. Having the form of the Greek letter upsilon (ϒ, v). [<F hyoïde <Gk. hyoeidēs <ϒ upsilon + eidos form]
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