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

     

    tread

     noun
    noun
    BrE BrE//tred//
     
    ; NAmE NAmE//tred//
     
    Parts of a car
     
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  1. 1[singular] the way that somebody walks; the sound that somebody makes when they walk I heard his heavy tread on the stairs.
  2. 2[countable, uncountable] the raised pattern on the surface of a tyre on a vehicle The tyres were worn below the legal limit of 1.6 mm of tread. See related entries: Parts of a car
  3. 3[countable] the upper surface of a step or stair compare riser
  4. Word Origin Old English tredan (as a verb), of West Germanic origin; related to Dutch treden and German treten.Extra examples I heard his heavy tread moving about upstairs. The streets have echoed to the tread of feet for more than ten centuries. The tyre tread has been worn below the legal limit. His tread was measured and stately. I could hear his heavy tread on the stairs. She moved with the light tread of a dancer. The ground shook beneath the weight of their tread.
See the Oxford Advanced American Dictionary entry: tread