Definitions for "Trefoil"
Keywords:  clover, lobes, scout, inscribed, cusp
Any plant of the genus Trifolium, which includes the white clover, red clover, etc.; -- less properly, applied also to the nonesuch, or black medic. See Clover, and Medic.
An ornamental foliation consisting of three divisions, or foils.
A charge representing the clover leaf.
The trademarked "flower" logo used by adidas starting around 1972. Thought by some to bear a resemblance to a pot leaf. Probably drug users hallucinating again...
Aslo known as shamrock, or searaog. A Druid sacred herb, which symbolizes all triple deities. Always leave something in payment when you take trefoil, because it is a favorite herb of the Little People and faeries. A pinch of Ginger or a little milk poured onto the ground are acceptable gifts.
any of several Old World herbs of the genus Medicago having small flowers and trifoliate compound leaves
Keywords:  turret, truss
Truss Turret
wavefront shape with threefold symmetry.
Keywords:  mitsuba, see
See MITSUBA...