Rhomboid
WordNet
adjective
(1) Shaped like a rhombus or rhomboid
"Rhomboidal shapes"
noun
(2) Any of several muscles of the upper back that help move the shoulder blade
(3) A parallelogram with adjacent sides of unequal lengths; an oblique-angled parallelogram with only the opposite sides equal
WiktionaryText
Noun
- A parallelogram which is neither a rhombus nor a rectangle
- Any of several muscles that control the shoulders
- A solid shape which has rhombic faces