U

Ⅰ.

U [1] (also u) ► NOUN (pl. Us or U's) ▪ the twenty-first letter of the alphabet.

Ⅱ.

U [2] ► ABBREVIATION 1) (in names of sports clubs) United. 2) Brit. universal (denoting films classified as suitable without restriction).

► SYMBOL ▪ the chemical element uranium.