1. 
[syn: pick, pickax, pickaxe]
The Collaborative International Dictionary of English v.0.48:
Pickax \Pick"ax`\, Pickaxe \Pick"axe`\ (p[i^]k"[a^]ks`), n. [A
   corruption of OE. pikois, pikeis, F. picois, fr. pic. See
   Pick, n.]
   A pick with a point at one end, a transverse edge or blade at
   the other, and a handle inserted at the middle; a hammer with
   a flattened end for driving wedges and a pointed end for
   piercing as it strikes. --Shak.
   [1913 Webster]
WordNet (r) 3.0 (2006):
pickax
    n 1: a heavy iron tool with a wooden handle and a curved head
         that is pointed on both ends; "they used picks and sledges
         to break the rocks" [syn: pick, pickax, pickaxe]