Word Study
triquetrum |
triradiate |
triradiated |
trirectangular |
trireme |
trirhomboidal
| trisaccharide
| trisacramentarian
| trisagion
| trisect
| trisected
trirhomboidal
CIDE DICTIONARY
trirhomboidal, a. [Pref. tri- + rhomboidal.].
Having three rhombic faces or sides. [1913 Webster]
For further exploring for "trirhomboidal" in Webster Dictionary Online