Definition of tortoiseshell noun from the Oxford Advanced Learner's Dictionary

     

    tortoiseshell

     noun
    noun
    BrE BrE//ˈtɔːtəsʃel//
     
    ; NAmE NAmE//ˈtɔːrtəsʃel//
     
    ; BrE BrE//ˈtɔːtəʃel//
     
    ; NAmE NAmE//ˈtɔːrtəʃel//
     
    Domesticated mammals
     
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  1. 1[uncountable] the hard shell of a turtle, especially the type with orange and brown marks, used for making combs and small decorative objects
  2. 2 (North American English also calico cat) [countable] a cat with black, brown, orange and white fur See related entries: Domesticated mammals
  3. 3 [countable] a butterfly with orange and brown marks on its wings
See the Oxford Advanced American Dictionary entry: tortoiseshell