rhombic adjective & noun. ['rɒmbɪk] L17.
[from RHOMB + -IC.]
A. adjective.
1. Of a solid figure: having a rhombus as base or section plane; (esp. of a dodecahedron) bounded by equal rhombs; Crystallography = ORTHORHOMBIC. L17.

2. a. Having the shape of a rhombus; spec. (of a radio aerial) having a horizontal rhombic shape. E18.
b. Zoology & Botany. Having the shape of a lozenge or diamond, often with rounded corners. E19.
b. noun. A rhombic radio aerial. M20.

[TahlilGaran] English Dictionary ▲