Word Study
triquetrous |
triquetrous leek |
triquetrum |
triradiate |
triradiated |
trirectangular
| trireme
| trirhomboidal
| trisaccharide
| trisacramentarian
| trisagion
trirectangular
CIDE DICTIONARY
trirectangular, a. [Pref. tri- + rectangular.].
Having three right angles. See Triquadrantal. [1913 Webster]
For further exploring for "trirectangular" in Webster Dictionary Online