Source : Webster's Revised Unabridged Dictionary (1913)

Miller \Mill"er\ (m[i^]l"[~e]r), n.
   1. One who keeps or attends a flour mill or gristmill.

   2. A milling machine.

   3. (Zo["o]l.)
      (a) A moth or lepidopterous insect; -- so called because
          the wings appear as if covered with white dust or
          powder, like a miller's clothes. Called also {moth
          miller}.
      (b) The eagle ray.
      (c) The hen harrier. [Prov. Eng.]

   {Miller's thumb}. (Zo["o]l.)
      (a) A small fresh-water fish of the genus {Uranidea}
          (formerly {Cottus}), as the European species ({U.
          gobio}), and the American ({U. gracilis}); -- called
          also {bullhead}.
      (b) A small bird, as the gold-crest, chiff-chaff, and
          long-tailed tit. [Prov. Eng.]