Curve
Curved Line
noun
A bend in a line is merely a curve.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
曲線を引く
to draw a curved line
曲線を見せる
to show a curve
曲線をかく
to draw a curve
このドレスは、体の曲線をキレイに見せてくれる。
This dress makes the curve of the body look beautiful.
曲線を使ったデザインの家具が気に入ってます。
I like furniture with a curved design.
曲線のような花火が夜空を明るくしました。
Fireworks that look like curved lines have brightened the night sky.
この道は曲線が多くて車で走るのがむずかしいです。
This road has a lot of curves and it is difficult to drive by car.