American English

Definition of signature noun from the Oxford Advanced American Dictionary

      

    signature

     noun
    noun
    NAmE//ˈsɪɡnətʃər//
     
     
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  1. 1 [countable] your name as you usually write it, for example at the end of a letter Someone had forged her signature on the check. They collected 10,000 signatures for their petition. He was attacked for having put his signature to the deal. Can you witness my signature on my will, please?
  2. 2[uncountable] (formal) the act of signing something Two copies of the contract will be sent to you for signature.
  3. 3[countable, usually singular] a particular quality that makes something different from other similar things and makes it easy to recognize Bright colors are his signature. The signature flavors of Thai cookery are coriander and lime. see also digital signature, key signature, time signature
See the Oxford Advanced Learner's Dictionary entry: signature