An Encylopedia Britannica Company

trefoil

1 ENTRIES FOUND:
trefoil /ˈtriːˌfojəl/ noun
plural trefoils
trefoil
/ˈtriːˌfojəl/
noun
plural trefoils
Britannica Dictionary definition of TREFOIL
[count]
: a plant (such as a clover) that has three leaves on each stem
: a decorative object or design that is shaped like a leaf with three parts