rhomboid

/ˌrɑmˈbɔɪd/

Other forms: rhomboids

Definitions of rhomboid

1. adjective

   shaped like a rhombus or rhomboid
   synonyms: rhomboidal
2. noun

   a parallelogram with adjacent sides of unequal lengths; an oblique-angled parallelogram with only the opposite sides equal
   type of:

   parallelogram

   a quadrilateral whose opposite sides are both parallel and equal in length
3. noun

   any of several muscles of the upper back that help move the shoulder blade
   synonyms: rhomboid muscle

   types:

   greater rhomboid muscle, musculus rhomboideus major, rhomboideus major muscle

   rhomboid muscle that draws the scapula toward the spinal column

   lesser rhomboid muscle, musculus rhomboideus minor, rhomboid minor muscle

   rhomboid muscle that draws the scapula toward the vertebral column and slightly upward

   type of:

   skeletal muscle, striated muscle

   a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes