The sound of fabric or fur moving in the air.(noun)
The movement that produces such a sound.(noun)
A switching; a beating with twigs.(noun)
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Use "swishing" in a sentence
"She said she heard a thump, then what someone described as a swishing sound, and a man near the back of the bus went to investigate."
"Good news for those who said you prefer girls with swords in a recent poll - looks like more n more Japanese ladies are taking up the sport of samurai sword swishing ..."
"Something romantic, nostalgic, bracing and, for the novice, ankle-wobbling, about the idea of swishing across frozen water."