rhom·boid /ˈrɑmˌbɔɪd/
 偏菱形,長斜方形(a.)長斜方形的


 Rhom·boid n.  Geom. An oblique-angled parallelogram like a rhomb, but having only the opposite sides equal, the length and with being different.


 Rhom·boid a. Same as Rhomboidal.

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 rhomboid
      adj : shaped like a rhombus or rhomboid; "rhomboidal shapes" [syn:
             rhomboidal]
      n 1: a parallelogram with adjacent sides of unequal lengths; an
           oblique-angled parallelogram with only the opposite
           sides equal
      2: any of several muscles of the upper back that help move the
         shoulder blade [syn: rhomboid muscle]