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Definition of Trefoil


  1. 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.
  2. An ornamental foliation consisting of three divisions, or foils.
  3. A charge representing the clover leaf.

Trefoil Translations

trefoil in German is Klee, Kleeblatt, Kleeblatts