'Tr'efl'e' definitions:
- Tr'efl'e \Tr['e]`fl['e]"\, a. [F. tr['e]fl['e]. See Trefoil.]
(Her.)
Having a three-lobed extremity or extremities, as a cross;
also, more rarely, ornamented with trefoils projecting from
the edges, as a bearing.
[1913 Webster]