rhombiform
/rɒmˈbaɪfɔːrm/Definitions
1. adjective
resembling or having the form of a rhombus; diamond-shaped.
“The artist’s rhombiform design was a hit at the art exhibition.”
2. noun
a figure resembling a rhombus; an equilateral parallelogram.
“The mathematician used the rhombiform to calculate the area of the triangle.”