Definition from Wiktionary, the free dictionary
trifoliate (not comparable)
- (chiefly botany) Having or comprising three leaves, leaflets, or (loosely) such similar structures, as the clover plant.
- Comprising, abounding with, or featuring trefoils.
Derived terms 
Related terms 
- “trifoliate, a.” listed in the Oxford English Dictionary [2nd Ed.; 1989]