This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of or relating to the hyoid bone.

n. The hyoid bone.

adj. Shaped like a U, or like the letter upsilon; specifically, designating a bone or group of bones supporting the tongue.

n. The hyoid bone.

adj. Having the form of an arch, or of the Greek letter upsilon [Υ].

adj. Of or pertaining to the bony or cartilaginous arch which supports the tongue. Sometimes applied to the tongue itself.

n. The hyoid bone.

Having the form of the Greek letter upsilon, υ.

n. The tongue-bone or os linguæ); the hyoidean bone or collection of bones: so called from its shape in man.

adj. of or relating to the hyoid bone

n. a U-shaped bone at the base of the tongue that supports the tongue muscles

"Under the lower jaw is a little horseshoe shaped bone called the hyoid bone, because it is shaped like the Greek letter upsilon (Υ)."

os    bone   

hyoid bone   

wind-washed    maxillary    aitch    sesamoid    fibu-lar    innominate    sphenoid    trembly    turbinate    well-picked