The Collaborative International Dictionary of English v.0.48:

Toe \Toe\, n. [OE. too, taa, AS. t[=a]; akin to D. teen, G.
   zehe, OHG. z[=e]ha, Icel. t[=a], Sw. t[*a], Dan. taa; of
   uncertain origin. [root]60.]
   1. (Anat.) One of the terminal members, or digits, of the
      foot of a man or an animal. "Each one, tripping on his
      toe." --Shak.
      [1913 Webster]

   2. (Zool.) The fore part of the hoof or foot of an animal.
      [1913 Webster]

   3. Anything, or any part, corresponding to the toe of the
      foot; as, the toe of a boot; the toe of a skate.
      [1913 Webster]

   4. (Mach.)
      (a) The journal, or pivot, at the lower end of a revolving
          shaft or spindle, which rests in a step.
      (b) A lateral projection at one end, or between the ends,
          of a piece, as a rod or bolt, by means of which it is
          moved.
      (c) A projection from the periphery of a revolving piece,
          acting as a cam to lift another piece.
          [1913 Webster]

   Toe biter (Zool.), a tadpole; a polliwig.

   Toe drop (Med.), a morbid condition of the foot in which
      the toe is depressed and the heel elevated, as in talipes
      equinus. See Talipes.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Toe drop \Toe drop\ (Med.)
   A morbid condition of the foot in which the toe is depressed
   and the heel elevated.
   [Webster 1913 Suppl.]