Definition of "Swim" :

noun: the act of swimming

"It was the swimming they enjoyed most."

verb: be afloat either on or below a liquid surface and not sink to the bottom

verb: move as if gliding through water

"This snake swims through the soil where it lives."

verb: travel through water

"We had to swim for 20 minutes to reach the shore."

verb: be covered with or submerged in a liquid

"The meat was swimming in a fatty gravy."

verb: be dizzy or giddy

"My brain is swimming after the bottle of champagne."