hyoid

& s. [Gr. hyoeides =the hyoid-bone: Hy the Gr. upsilon, the form of which anything called hyoid resembles.] A. As adjective : Anat .: (See the compound.) B. As subst.: The hyoid-bone (q.v.). hyoid-arch, 8. [HYOID-BONE.] hyoid-bone, hyoid-arch, s. 1. Anat .: The second arch developed from the cranium, giving support to the tongue and attach ment to numerous muscles of the neck. It consists of a body, two larger cornua projecting backward, and two smaller cornua ascending from the angles between the body and two larger cornua. 2. Comp. Anat .: Called also Os linguæ , because it supports the tongue. The U form is much le marked in the inferior vertebrates.