Source : Webster's Revised Unabridged Dictionary (1913)

Necessary \Nec"es*sa*ry\, n.; pl. {Necessaries}.
   1. A thing that is necessary or indispensable to some
      purpose; something that one can not do without; a
      requisite; an essential; -- used chiefly in the plural;
      as, the necessaries of life.

   2. A privy; a water-closet.

   3. pl. (Law) Such things, in respect to infants, lunatics,
      and married women, as are requisite for support suitable
      to station.