Rhomboidal \Rhom*boid"al\, a. [Cf. F. rhombo["i]dal.]

Having, or approaching, the shape of a rhomboid. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

rhomboidal adj : shaped like a rhombus or rhomboid; "rhomboidal shapes" [syn: rhomboid]

Source: WordNet (r) 2.0
 

Rhomboidal \Rhom*boid"al\, a. [Cf. F. rhombo["i]dal.]

Having, or approaching, the shape of a rhomboid.

Source: Webster's Revised Unabridged Dictionary (1913)