noun
also hyoid
( -s )
Etymology: New Latin hyoides, from Greek hyoeidēs, adjective, shaped like the letter upsilon (τ, υ), being the hyoid bone, from hyo- (from y, hy upsilon) + -eidēs -oid
: a bone or complex of bones situated at the base of the tongue and developed from the second and third visceral arches, supporting the tongue and its muscles, and being in man a U-shaped structure placed horizontally with the convexity forward, two large cornua directed backward, and two lesser cornua directed upward and backward