Meaning of U in English

I. ˈyü noun

( plural u's or us ˈyüz)

Usage: often capitalized, often attributive

Date: before 12th century


a. : the 21st letter of the English alphabet

b. : a graphic representation of this letter

c. : a speech counterpart of orthographic u

2. : a graphic device for reproducing the letter u

3. : one designated u especially as the 21st in order or class


[abbreviation for unsatisfactory ]

a. : a grade rating a student's work as unsatisfactory

b. : one graded or rated with a U

5. : something shaped like the letter U

II. abbreviation

1. unit

2. unsymmetrical

3. upper

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.