Copperworm

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Copperworm \Cop"per*worm`\, n. (Zool.)
     (a) The teredo; -- so called because it injures the bottoms
         of vessels, where not protected by copper.
     (b) The ringworm.
         [1913 Webster]