Swimming, Swim
noun
This is the noun version of the kanji swim, so it means swimming.
およぎ
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You learned this reading already so you should be able to read it!
マイケルは魚よりも泳ぎが上手です。
Michael's swimming is better than the fish's!
プロの先生に泳ぎのフォームを正してほしいです。
I want a professional instructor to correct my swimming form.
すばらしい泳ぎでしたよ。
It was a wonderful swim.