fossil - definition and synonyms

 
 
noun [countable] 

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/ˈfɒs(ə)l/
singularfossil
pluralfossils
  1. 1
    an animal or plant, or a part of one, that lived many thousands of years ago and is preserved in rock or as a piece of rock
  2. 2
    informal an insulting word for someone who is old and has old-fashioned ideas