The Collaborative International Dictionary of English v.0.48:

Splash \Splash\, v. t. [imp. & p. p. Splashed; p. pr. & vb. n.
   Splashing.] [Akin to plash.]
   1. To strike and dash about, as water, mud, etc.; to plash.
      [1913 Webster]

   2. To spatter water, mud, etc., upon; to wet.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Splash \Splash\, v. i.
   To strike and dash about water, mud, etc.; to dash in such a
   way as to spatter.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Splash \Splash\, n.
   1. Water, or water and dirt, thrown upon anything, or thrown
      from a puddle or the like; also, a spot or daub, as of
      matter which wets or disfigures.
      [1913 Webster]

   2. A noise made by striking upon or in a liquid.
      [1913 Webster]

WordNet (r) 3.0 (2006):

splash
    n 1: the sound like water splashing [syn: splash, plash]
    2: a prominent or sensational but short-lived news event; "he
       made a great splash and then disappeared" [syn: stir,
       splash]
    3: a small quantity of something moist or liquid; "a dab of
       paint"; "a splatter of mud"; "just a splash of whiskey" [syn:
       dab, splash, splatter]
    4: a patch of bright color; "her red hat gave her outfit a
       splash of color"
    5: the act of splashing a (liquid) substance on a surface [syn:
       spatter, spattering, splash, splashing,
       splattering]
    6: the act of scattering water about haphazardly [syn: splash,
       splashing]
    v 1: cause (a liquid) to spatter about, especially with force;
         "She splashed the water around her" [syn: sprinkle,
         splash, splosh]
    2: walk through mud or mire; "We had to splosh across the wet
       meadow" [syn: squelch, squish, splash, splosh,
       slosh, slop]
    3: dash a liquid upon or against; "The mother splashed the
       baby's face with water" [syn: spatter, splatter, plash,
       splash, splosh, swash]
    4: mark or overlay with patches of contrasting color or texture;
       cause to appear splashed or spattered; "The mountain was
       splashed with snow"
    5: make a splashing sound; "water was splashing on the floor"
       [syn: splash, splosh, slosh, slush]
    6: soil or stain with a splashed liquid
    7: strike and dash about in a liquid; "The boys splashed around
       in the pool"