Trefoil

     

  1. Trefoil treble slipped, or eradicated

  2. Trefoil double slipped

  3. Trefoil double slipped crossed, couped

  4. Trefoil (standard)

  5. Trefoil fitched

  6. Trefoil slipped, ragulated, couped

A charge representing the three-leaved clover. Unlike the quatrefoil and the rose, it is generally, though not always, borne slipped. The Irish emblem is the shamrock, which is a trefoil slipped vert.