stepbrother

2 definitions found

stepbrother - Collaborative International Dictionary of English v.0.48 :

  Stepbrother \Step"broth`er\, n.
     A brother by the marriage of one's father with the mother of
     another, or of one's mother with the father of another.
     [1913 Webster]

stepbrother - WordNet (r) 2.1 (2005) :

  stepbrother
      n 1: a brother who has only one parent in common with you [syn:
           stepbrother, half-brother, half brother]