| trigonella | (n) Old World genus of frequently aromatic herbs, Syn. genus Trigonella |
| bird's foot trefoil | (n) Old World herb related to fenugreek, Syn. Trigonella ornithopodioides |
| fenugreek | (n) annual herb or southern Europe and eastern Asia having off-white flowers and aromatic seeds used medicinally and in curry, Syn. Greek clover, Trigonella foenumgraecum |