Source : Webster's Revised Unabridged Dictionary (1913)

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. [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.