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

     

    countess

     noun
    noun
    BrE BrE//ˈkaʊntəs//
     
    ; NAmE NAmE//ˈkaʊntəs//
     
    ; BrE BrE//ˈkaʊntes//
     
    ; NAmE NAmE//ˈkaʊntes//
     
     
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  1. 1a woman who has the rank of a count or an earl
  2. 2the wife of a count or an earl the Earl and Countess of Rosebery
  3. Word Origin Middle English: from Old French contesse, from late Latin comitissa, feminine of comes, comit- ‘companion, overseer, attendant’ (in late Latin ‘person holding a state office’), from com- ‘together with’ + it- ‘gone’ (from the verb ire ‘go’).
See the Oxford Advanced American Dictionary entry: countess