Source : Webster's Revised Unabridged Dictionary (1913)

   {Nut pine}. (Bot.) See under {Pine}.

   {Nut rush} (Bot.), a genus of cyperaceous plants ({Scleria})
      having a hard bony achene. Several species are found in
      the United States and many more in tropical regions.

   {Nut tree}, a tree that bears nuts.

   {Nut weevil} (Zo["o]l.), any species of weevils of the genus
      {Balaninus} and other allied genera, which in the larval
      state live in nuts.

Source : WordNet®

nut pine
     n : any of several pinons bearing edible nutlike seeds