pick·ax or pick·axe (pĭk'āks') n. A pick, especially with one end of the head pointed and the other end with a chisel edge for cutting through roots. v.
pick·axed, pick·ax·ing, pick·ax·es
v.
intr. To use a pickax. v.
tr. To use a pickax on.
[Middle English picax, alteration (influenced by ax, ax) of picas, from Old French picois (from pic, pick) and from Medieval Latin pīcōsa, both probably from Latin pīcus, woodpecker.]
1428, folk etymology alteration (influenced by axe) of M.E. picas (1256), via Anglo-Fr. piceis, from O.Fr. pocois (11c.), from M.L. picosa "pick," related to L. picus "woodpecker."