UDA -abbr

  1. undocumented alien

ud·der ['ə-dər] -n

  1. a large pendulous organ consisting of two or more mammary glands enclosed in a common envelope and each provided with a single nipple
  2. mammary gland

udon ['ü-,dän] -n

  1. a thick Japanese noodle made from wheat flour and usu. served in a soup