The Collaborative International Dictionary of English v.0.48:

Manicure \Man"i*cure\, v. t. & i. [imp. & p. p. Manicured; p.
   pr. & vb. n. Manicuring.]
   1. To care for (the hands and nails); to care for the hands
      and nails of; to do manicure work.
      [Webster 1913 Suppl.]

   2. to trim carefully and meticulously; as, to manicure a
      lawn.
      [PJC]