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

     

    runt

     noun
    noun
    BrE BrE//rʌnt//
     
    ; NAmE NAmE//rʌnt//
     
    Farm animals
     
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  1. 1the smallest, weakest animal of the young that are born from the same mother at the same time the runt of the litter See related entries: Farm animals
  2. 2(informal, disapproving) a rude way of referring to a small, weak or unimportant person
  3. Word Origin early 16th cent. (in the sense ‘old or decayed tree stump’): of unknown origin.
See the Oxford Advanced American Dictionary entry: runt