Definitions of spat:

• noun:   a young oyster or other bivalve
• noun:   a cloth covering (a legging) that provides covering for the instep and ankles
• noun:   a quarrel about petty points
• verb:   come down like raindrops

  Example: "Bullets were spatting down on us"

• verb:   spawn

  Example: "Oysters spat"

• verb:   engage in a brief and petty quarrel
• verb:   strike with a sound like that of falling rain

  Example: "Bullets were spatting the leaves"

• verb:   become permanently attached

  Example: "Mollusks or oysters spat"

• verb:   clap one's hands together
• verb:   clap one's hands or shout after performances to indicate approval