A mathematical term meaning the square of a number (a number multiplied by itself), or the 'square' unit used in measurements (e.g., square meter).
2の平方は4です。
The square of 2 is 4.
この部屋の面積は10平方メートルです。
This room's area is 10 square meters.
平方を求めるときは、同じ数を二回掛けます。
To find a square, multiply the same number by itself twice.