RHOMB
\ɹˈɒm], \ɹˈɒm], \ɹ_ˈɒ_m]\
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An equilateral parallelogram, or quadrilateral figure whose sides are equal and the opposite sides parallel. The angles may be unequal, two being obtuse and two acute, as in the cut, or the angles may be equal, in which case it is usually called a square.

A rhombohedron.
By Oddity Software

An equilateral parallelogram, or quadrilateral figure whose sides are equal and the opposite sides parallel. The angles may be unequal, two being obtuse and two acute, as in the cut, or the angles may be equal, in which case it is usually called a square.

A rhombohedron.
By Noah Webster.
By William Hand Browne, Samuel Stehman Haldeman
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