Webster's Revised Unabridged Dictionary · 1913

Hyoid

Hyoid , adjective

[Greek {not transcribed} from the letter U + e'i^dos form: compare French hyoide.]

1.
Having the form of an arch, or of the Greek letter upsilon [U].
2.
(Anatomy) Of or pertaining to the bony or cartilaginous arch which supports the tongue. Sometimes applied to the tongue itself.
Collocations (2)
Hyoid arch (Anatomy) , the arch of cartilaginous or bony segments, which connects the base of the tongue with either side of the skull.
Hyoid bone (Anatomy) , the bone in the base of the tongue, the middle part of the hyoid arch.

Hyoid , noun

The hyoid bone.