half-sister

2 definitions found

half-sister - Collaborative International Dictionary of English v.0.48 :

  Half-sister \Half"-sis`ter\ (-s[i^]s`t[~e]r), n.
     A sister by one parent only.
     [1913 Webster]

half-sister - WordNet (r) 2.1 (2005) :

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