hyoid hyoglycocholic • hyoid bone · · · Info · Definitions · Synonyms · Characters · · hyoid · · Text Latin · · Script 5 · · Length 2 · · Syllables Definitions · · · (noun) a U-shaped bone at the base of the tongue that supports the tongue muscles. Synonyms: hyoid bone, os hyoideum. · · Noun Definition 1 (adj) of or relating to the hyoid bone. · · Adjective Definition 1 Synonyms · · · hyoid bone · · Synonym 1 os hyoideum · · Synonym 2 Characters · · d latin small letter d U+0064 h latin small letter h U+0068 i latin small letter i U+0069 o latin small letter o U+006F y latin small letter y U+0079