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swum - Definitions from Dictionary.com
swim
Pronunciation, verb, swam, swum, swim·ming,
1. to move in water by movements of the limbs, fins, tail, etc.
2. to float on the surface of water or some other liquid.
3. to move, rest, or be suspended in air as if swimming in water.
4. to move, glide, or go smoothly over a surface.