u.

1. and. [ < G und]

2. uniform.

3. unit.

4. unsatisfactory.

5. upper.

* * *

U¹ or u «yoo», noun, plural U's or Us, u's or us.

1. the 21st letter of the English alphabet. There are two u's in usual.

2. any sound represented by this letter.

3. (used as a symbol for) the 21st, or more usually the 20th of a series (either I or J being omitted).

U² «yoo», noun, plural U's.

anything shaped like the letter U.

U³ «yoo», adjective, noun. Especially British Informal.

–adj.

upper-class; sophisticated; cultured: »

The upper classes…do not “take a bath”; the U version is “have one's bath” (Time).

–n.

a person or thing that is upper-class.

╂[< u(pper class)]

U⁴ «oo», noun.

a Burmese title of respect that precedes a man's name: »

U Thant.

u.,

1. and (German, und).

2. uncle.

3. university.

4. upper.

U (no period),

an abbreviation or symbol for:

1. Mathematics. universe.

2. Education. unsatisfactory (used as a grade).

3. uracil.

4. uranium (chemical element).

5. U.S. a mark on a packaged product indicating that it has been certified as kosher by the Union of Orthodox Hebrew Congregations.

U.,

1. uncle.

2. union.

3. university.

4. upper.

* * *

abbr

university