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Noun: dingbat  'ding,bat
  1. A silly empty-headed person
    "you would be a dingbat even to try it"; "yet here he was with an upper class dingbat who just happened to be married to his sister"
  2. A symbol in a computer character set that is not a number, letter or punctuation; for example asterisk, arrows, check marks, etc.

Derived forms: dingbats

Type of: simple, simpleton

Encyclopedia: Dingbat