Definition of hyoids:
(adj) :
(anatomy, zootomy, relational) Of or pertaining to the hyoid bone.
(adj) :
Shaped like a U, or like the letter upsilon (υ).
(n) :
A curved line resembling the English uppercase letter U.
(n) :
(anatomy) Ellipsis of hyoid bone. [(anatomy) A U-shaped bone or complex of bones that is situated between the base of the tongue and the larynx and that supports the tongue, the larynx, and their muscles.]