The Collaborative International Dictionary of English v.0.48:

Lint \Lint\ (l[i^]nt), n. [AS. l[imac]net flax, hemp, fr.
   l[imac]n flax; or, perh. borrowed fr. L. linteum a linen
   cloth, linen, from linteus linen, a., fr. linum flax, lint.
   See Linen.]
   1. Flax.
      [1913 Webster]

   2. Linen scraped or otherwise made into a soft, downy or
      fleecy substance for dressing wounds and sores; also, fine
      ravelings, down, fluff, or loose short fibers from yarn or
      fabrics.
      [1913 Webster]

   Lint doctor (Calico-printing Mach.), a scraper to remove
      lint from a printing cylinder.
      [1913 Webster]