u ['yü] -n

  1. the 21st letter of the English alphabet
  2. a graphic representation of this letter
  3. a speech counterpart of orthographic u
  4. a graphic device for reproducing the letter u
  5. one designated uesp. as the 21st in order or class
  6. a grade rating a student's work as unsatisfactory
  7. one graded or rated with a U
  8. something shaped like the letter U
  9. unit
  10. unsymmetrical
  11. upper

U ['yü] -adj

  1. characteristic of the upper classes
  2. unsatisfactory
  3. uracil
  4. uranium

UAE -abbr

  1. United Arab Emirates

ua·ka·ri [wä-'kä-rē] -n

  1. either of two short-tailed mostly naked-faced So. American monkeys ( Cacajao melanocephalusand C. calvus)

UAR -abbr

  1. United Arab Republic

UAV [,yü-,ā-'vē] -n

  1. RPV

UAW -abbr

  1. United Automobile Workers