To Project
To Reflect
You know that 映る is "to be reflected." Now you're doing the reflecting, which is really projecting (light). That's why this word is to project.
うつす
The reading is the same as 映る. So long as you know the reading of 映る you should be able to read this one too.
スクリーンにスライドを映し始めてもらえますか？
Can you start projecting slides onto the screen for me?
この白いかべをスクリーン代わりにして映画を映すのはどうでしょう。
Why don't we use this white wall as a screen to project the movie?
ビエトだけが、コウイチが鏡に全身を映すのが好きだということを知っている。
Only Viet knows that Koichi really likes seeing himself reflected full-length in the mirror.