(n) square shape
oblong
rectangle
(n) (1) (N)-cornered polygon, incl. triangle
(2) Japanese rectangular envelope (opening on the short dimension; numbered 0-8, A3, A4, each with different sizes)
(n) (1) (N)-cornered polygon, incl. triangle
(2) Japanese rectangular envelope (opening on the short dimension; numbered 0-8, A3, A4, each with different sizes)
(n,adj-no) triangle
three-cornered polygon
(n,adj-no) triangle
three-cornered polygon
(n) pentagon
(n) pentagon
(n,adj-no) triangle
three-cornered polygon
(P)
(n,adj-no) triangle
three-cornered polygon
(n) square
quadrilateral
quadrangle
(ik) (n) square
quadrilateral
quadrangle
(n) heptagon
(n) polygon
(n) polygon
(n) eight-sided shape
octagon
(n) eight-sided shape
octagon
(n) hexagon
(n) hexagon
(n) inverted triangle
(n) inverted triangle
(n) equilateral triangle
regular triangle
(n) equilateral triangle
regular triangle
(n) (math) regular polygon
(n) acute triangle
(n) (comp) triangle set
(n) side of a polygon
(n) right triangle
(n) isosceles triangle
(n) isosceles triangle
(n) obtuse triangle