The Collaborative International Dictionary of English v.0.48:

Wormil \Wor"mil\, n. [Cf. 1st Warble.]
   [1913 Webster]
   1. (Zool.) Any botfly larva which burrows in or beneath the
      skin of domestic and wild animals, thus producing sores.
      They belong to various species of Hypoderma and allied
      genera. Domestic cattle are often infested by a large
      species. See Gadfly. Called also warble, and worble.
      [Written also wormal, wormul, and wornil.]
      [1913 Webster]

   2. (Far.) See 1st Warble, 1
      (b) .
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Wormul \Wor"mul\, n. (Zool.)
   See Wornil.
   [1913 Webster]