1722, Alexander Nisbet, A System of Heraldry Speculative and Practical : with the Truc Ant of Blazon, According to the Most Approved Heralds in Europe : Illustrated with Suitable Examples of Armorial Figures, and Atchievements of the Most Considerable Svinames and Families in Scotland, Etc, Together with Historical and Genealogical Memorials Relative Thereto, page 118:
THE English not only give us a Cross moline perforated in the Centre, which then they call Cross ferr de moline, but also a Cross moline, altogether voided, Plate VI. Fig. 12. which some of them call a Cross Cercile, and Morgan a[…]
1816, Encyclopaedia Perthensis; Or Universal Dictionary of the Arts, Sciences, Literature, &c. Intended to Supersede the Use of Other Books of Reference, page 177:
CERCELE, in heraldry: a cross cercele is a cross which opening at the ends, turns round both ways like a rams's horn.
