Reeming iron

from The Collaborative International Dictionary of English v.0.48

Reem \Reem\, v. t. [Cf. {Ream} to make a hole in.] (Naut.)
   To open (the seams of a vessel's planking) for the purpose of
   calking them.
   [1913 Webster]

   {Reeming iron} (Naut.), an iron chisel for reeming the seams
      of planks in calking ships.
      [1913 Webster]