'Rhomboidal' definitions:

Definition of 'rhomboidal'

(from WordNet)
adjective
Shaped like a rhombus or rhomboid; "rhomboidal shapes" [syn: rhomboid, rhomboidal]

Definition of 'Rhomboidal'

From: GCIDE
  • Rhomboidal \Rhom*boid"al\, a. [Cf. F. rhombo["i]dal.] Having, or approaching, the shape of a rhomboid. [1913 Webster]