Wordnet 3.0
NOUN (1)
1. 
 a plaster now made mostly from Portland cement and sand and lime; 
 applied while soft to cover exterior walls or surfaces; 
VERB (2)
1. 
 decorate with stucco work; 
- Example: "stuccoed ceilings"2. 
 coat with stucco; 
- Example: "stucco the ceiling"
The Collaborative International Dictionary of English v.0.48:
Stucco \Stuc"co\, v. t. [imp. & p. p. Stuccoed; p. pr. & vb.
   n. Stuccoing.]
   To overlay or decorate with stucco, or fine plaster.
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
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.
      [1913 Webster]
   2. Work made of stucco; stuccowork.
      [1913 Webster]
WordNet (r) 3.0 (2006):
stucco
    n 1: 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"