Flanch

Flanch (?), n.; pl. Flanches (#). [Prov. E., a projection, OF. flanche flank. See Flank.] 1. A flange. [R.]. (Her.) A bearing consisting of a segment of a circle encroaching on the field from the side.

☞ Flanches are always in pairs. A pair of flanches is considered one of the subordinaries.