正方

(1)(geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon; "you can compute the area of a square if you know the length of its sides"

(2)4つの等しい辺と4つの直角がある平面長方形

(3)4面の正多角形

(4)according with conscience or morality

(5)良心や道徳性に一致すること