Square
Rectangle
noun, な adjective, の adjective
What shape has four angles? The most common one is a square.
しかく
This is a jukugo word that uses the on'yomi readings for the kanji. You've learned them both already, so you should be able to read this word!
じゃがいもを、四角に切ってください。
Cut the potatoes into squares, please.
ツイッターのアイコンの形を今の丸から四角にもどしてほしい。
I want the twitter icon to go back from the current round shape to the square one.
どうしてほとんどの窓は真四角か長四角なんだろう。イタリア型の窓とかも作ったらいいのに。
Why are most windows either squares or rectangles? They should start making windows shaped like Italy.