Source : Webster's Revised Unabridged Dictionary (1913)

Minder \Mind"er\, n.
   1. One who minds, tends, or watches something, as a child, a
      machine, or cattle; as, a minder of a loom.

   2. One to be attended; specif., a pauper child intrusted to
      the care of a private person. [Eng.] --Dickens.

Source : WordNet®

minder
     n : a woman who looks after babies in her own home while their
         parents are working [syn: {babyminder}, {baby minder}]