Rhomboid (adjective)

1. Having the shape of a rhombus, a parallelogram with four equal sides and angles that are not right angles.
2. Resembling or having the shape of a rhombus.

Origin:

From greek rhomboeidēs, meaning "like a rhombus".

Examples:

1. The rhomboid pattern on the wallpaper was mesmerizing.
2. The rhomboid shape of the diamond was unique.
3. The rhomboid design on the floor tiles was stunning.
4. The rhomboid shape of the leaf was rare.
5. The rhomboid pattern on the cloth was intricate.