Source : Webster's Revised Unabridged Dictionary (1913)

Tint \Tint\, n. [For older tinct, fr. L. tinctus, p. p. of
   tingere to dye: cf. F. teinte, teint, It. tinta, tinto. See
   {Tinge}, and cf. {Taint} to stain, a stain, {Tent} a kind of
   wine, {Tinto}.]
   A slight coloring. Specifically:
   (a) A pale or faint tinge of any color.

             Or blend in beauteous tints the colored mass.
                                                  --Pope.

             Their vigor sickens, and their tints decline.
                                                  --Harte.
   (b) A color considered with reference to other very similar
       colors; as, red and blue are different colors, but two
       shades of scarlet are different tints.
   (c) (Engraving) A shaded effect produced by the juxtaposition
       of many fine parallel lines.

   {Tint tool} (Eng.), a species of graver used for cutting the
      parallel lines which produce tints in engraving.