Ʊ
The letter Ʊ, called Latin upsilon, is a letter of the Latin alphabet. While its form superficially resembles an upside-down capital Greek letter omega, it is derived from the Greek lowercase upsilon.
Its lowercase is used in the International Phonetic Alphabet to transcribe a near-close near-back rounded vowel.
It is used in some alphabets of African languages, such as Anii and Tem.
and are used in phonetic transcription.The majuscule and the minuscule are located at U+01B1 and U+028A in Unicode, respectively.