tetragon
Noun
Meaning
A plane figure having four sides and angles; a quadrangle, as a square, a rhombus, etc.
An aspect of two planets with regard to the earth when they are distant from each other ninety degrees, or the fourth of a circle.
Source: Webster's dictionarySynonyms
quadrilateral
quadrangle
cube
diamond
quad
square
polygon
dodecahedron
hexagon
rhombus
figure
triangle
rectangle
quartet
parallelogram
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