Source : Webster's Revised Unabridged Dictionary (1913)

Stucco \Stuc"co\, n.; pl. {Stuccoes}, {Stuccos}. [It., fr. OHG.
   stucchi a crust, piece, G. st["u]ck piece; akin to AS.
   stycce. See {Stock}.]
   1. Plaster of any kind used as a coating for walls,
      especially, a fine plaster, composed of lime or gypsum
      with sand and pounded marble, used for internal
      decorations and fine work.

   2. Work made of stucco; stuccowork.

Stucco \Stuc"co\, v. t. [imp. & p. p. {Stuccoed}; p. pr. & vb.
   n. {Stuccoing}.]
   To overlay or decorate with stucco, or fine plaster.

Source : WordNet®

stucco
     n : a plaster now made mostly from Portland cement and sand and
         lime; applied while soft to cover exterior walls or
         surfaces
     v 1: decorate with stucco work; "stuccoed ceilings"
     2: coat with stucco; "stucco the ceiling"
     [also: {stuccoes} (pl)]