The Collaborative International Dictionary of English v.0.48:

Dossil \Dos"sil\, n. [OE. dosil faucet of a barrel, OF. dosil,
   duisil, spigot, LL. diciculus, ducillus, fr. L. ducere to
   lead, draw. See Duct, Duke.]
   1. (Surg.) A small ovoid or cylindrical roil or pledget of
      lint, for keeping a sore, wound, etc., open; a tent.
      [1913 Webster]

   2. (Printing) A roll of cloth for wiping off the face of a
      copperplate, leaving the ink in the engraved lines.
      [1913 Webster]