Wordnet 3.0
NOUN (2)
1. 
 an etching made by a process that makes it resemble a water color; 
2. 
 a method of etching that imitates the broad washes of a water color; 
VERB (1)
1. 
 etch in aquatint; 
The Collaborative International Dictionary of English v.0.48:
Aquatint \A"qua*tint\, Aquatinta \A`qua*tin"ta\, n. [It.
   acquatinta dyed water; acqua (L. aqua) water + tinto, fem.
   tinta, dyed. See Tint.]
   A kind of etching in which spaces are bitten by the use of
   aqua fortis, by which an effect is produced resembling a
   drawing in water colors or India ink; also, the engraving
   produced by this method.
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
aquatint \aquatint\ v.
   1. to etch in aquatint.
      [WordNet 1.5]
WordNet (r) 3.0 (2006):
aquatint
    n 1: an etching made by a process that makes it resemble a water
         color
    2: a method of etching that imitates the broad washes of a water
       color
    v 1: etch in aquatint
Moby Thesaurus II by Grady Ward, 1.0:
41 Moby Thesaurus words for "aquatint":
   autolithograph, block, block print, cerography, chalcography,
   chromolithograph, color print, copperplate, copperplate print,
   crayon engraving, cribbling, cut, drypoint, engravement, engraving,
   etching, graphotype, impress, impression, imprint, intaglio,
   linoleum-block print, lithograph, metal cut, mezzotint, negative,
   photoengraving, plate engraving, print, pyrogravure, relief method,
   rubber-block print, steel engraving, vignette, wood engraving,
   woodblock, woodburning, woodcut, woodprint, xylograph,
   zincography