WordNet (r) 3.0 (2006):

silver pine
    n 1: timber tree of New Zealand having shiny white wood [syn:
         westland pine, silver pine, Lagarostrobus colensoi]
    2: tall pine of western North America with stout blue-green
       needles; bark is grey-brown with rectangular plates when
       mature [syn: western white pine, silver pine, mountain
       pine, Pinus monticola]