The Collaborative International Dictionary of English v.0.48:

Netball \Netball\ n.
   A team game that resembles basketball; a soccer ball is to be
   thrown so that it passes through a ring on the top of a post.
   [WordNet 1.5]

WordNet (r) 3.0 (2006):

netball
    n 1: a team game that resembles basketball; a soccer ball is to
         be thrown so that it passes through a ring on the top of a
         post