What is the meaning of swash?

noun

• The movement or sound of water.
  • usage: "the swash of waves on the beach"

verb

• Make violent, noisy movements.
• Dash a liquid upon or against.
  • usage: "The mother splashed the baby's face with water"
  • synonyms: spatter, splatter, plash, splash, splosh
• Show off.
  • synonyms: boast, tout, shoot a line, brag, gas, blow, bluster, vaunt, gasconade
• Act in an arrogant, overly self-assured, or conceited manner.
  • synonyms: swagger, bluster