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

     

    marker

     noun
    noun
    BrE BrE//ˈmɑːkə(r)//
     
    ; NAmE NAmE//ˈmɑːrkər//
     
    Exams and assessment, Soccer, In the office
     
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  1. 1[countable] an object or a sign that shows the position of something a boundary marker He placed a marker where the ball had landed.
  2. 2[singular] a marker (of/for something) a sign that something exists or that shows what it is like Price is not always an accurate marker of quality. Peter has put down a marker for (= shown that he is committed to) next year as the best time to launch the new product.
  3. 3(British English also marker pen) a pen with a thick felt tip See related entries: In the office
  4. 4(British English) (North American English grader) a person who marks/grades students’ work or exam papers See related entries: Exams and assessment
  5. 5(British English) (in team games, especially football (soccer )) a player who stays close to a player on the other team in order to stop them getting the ball See related entries: Soccer
See the Oxford Advanced American Dictionary entry: marker