Source : Webster's Revised Unabridged Dictionary (1913)

Swash \Swash\, n. [Cf. {Swash}, v. i., {Squash}, v. t.] (Arch.)
   An oval figure, whose moldings are oblique to the axis of the
   work. --Moxon.

   {Swash plate} (Mach.), a revolving circular plate, set
      obliquely on its shaft, and acting as a cam to give a
      reciprocating motion to a rod in a direction parallel to
      the shaft.

Swash \Swash\, a. [Cf. {Swash}, v. i., {Squash}, v. t.]
   Soft, like fruit too ripe; swashy. [Prov. Eng.] --Pegge.

Swash \Swash\, v. i. [imp. & p. p. {Swashed}; p. pr. & vb. n.
   {Swashing}.] [Probably of imitative origin; cf. Sw. svasska
   to splash, and, for sense 3, Sw. svassa to bully, to
   rodomontade.]
   1. To dash or flow noisily, as water; to splash; as, water
      swashing on a shallow place.

   2. To fall violently or noisily. [Obs.] --Holinshed.

   3. To bluster; to make a great noise; to vapor or brag.

Swash \Swash\, n.
   1. Impulse of water flowing with violence; a dashing or
      splashing of water.

   2. A narrow sound or channel of water lying within a sand
      bank, or between a sand bank and the shore, or a bar over
      which the sea washes.

   3. Liquid filth; wash; hog mash. [Obs.]

   4. A blustering noise; a swaggering behavior. [Obs.]

   5. A swaggering fellow; a swasher.

Source : WordNet®

swash
     n : the movement or sound of water; "the swash of waves on the
         beach"
     v 1: make violent, noisy movements
     2: dash a liquid upon or against; "The mother splashed the
        baby's face with water" [syn: {spatter}, {splatter}, {plash},
         {splash}, {splosh}]
     3: show off [syn: {boast}, {tout}, {shoot a line}, {brag}, {gas},
         {blow}, {bluster}, {vaunt}, {gasconade}]
     4: act in an arrogant, overly self-assured, or conceited manner
        [syn: {swagger}, {bluster}]