- Shaped like a U, or like the letter upsilon; specifically, designating a bone or group of bones supporting the tongue.
- 1969: The hyoid bone in her throat flutters as if discharging some subvocal rosary. — JG Ballard, The Atrocity Exhibition
hyoid (plural hyoids)
- The hyoid bone.
- 1973: the vulture, relinquishing its title, surely in natural justice gave me a right to this femur, this curiously distorted hyoid? — Patrick O'Brian, HMS Surprise