Source : Webster's Revised Unabridged Dictionary (1913)

Plash \Plash\, n. [OD. plasch. See {Plash}, v.]
   1. A small pool of standing water; a puddle. --Bacon. ``These
      shallow plashes.'' --Barrow.

   2. A dash of water; a splash.

Plash \Plash\, v. i. [imp. & p. p. {Plashed}; p. pr. & vb. n.
   {Plashing}.] [Cf. D. plassen, G. platschen. Cf. {Splash}.]
   To dabble in water; to splash. ``Plashing among bedded
   pebbles.'' --Keats.

         Far below him plashed the waters.        --Longfellow.

Plash \Plash\, v. t.
   1. To splash, as water.

   2. To splash or sprinkle with coloring matter; as, to plash a
      wall in imitation of granite.

Plash \Plash\, v. t. [imp. & p. p. {Plashed}; p. pr. & vb. n.
   {Plashing}.] [OF. plaissier, plessier, to bend. Cf.
   {Pleach}.]
   To cut partly, or to bend and intertwine the branches of; as,
   to plash a hedge. --Evelyn.

Plash \Plash\, n.
   The branch of a tree partly cut or bent, and bound to, or
   intertwined with, other branches.

Source : WordNet®

plash
     n : the sound like water splashing [syn: {splash}]
     v 1: interlace the shoots of; "pleach a hedge" [syn: {pleach}]
     2: dash a liquid upon or against; "The mother splashed the
        baby's face with water" [syn: {spatter}, {splatter}, {splash},
         {splosh}, {swash}]