Definitions of rhomb

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.

Figure of four equal sides, with its angles not right angles.

An oblique angled equilateral parallelogram.

A four sided figure whose sides are equal, but whose angles are not right angles.

Rhombic.