Trefle
Trefle , noun
[French tréfle. See Trefoil.]
(Fortification) A species of time; -- so called from its resemblance in form to a trefoil.
Tréflé , adjective
[French tréflé. See Trefoil.]
(Heraldry) Having a three-lobed extremity or extremities, as a cross; also, more rarely, ornamented with trefoils projecting from the edges, as a bearing.
Also: Trefle