Bevilled, Acute Angled

Bevelled

per fess bevilled

A line of partition, ordinary, or bearing, the straight outline of which is cut off by another line, which makes an acute or sharp cornered angle, inclining to a triangular form.

When the field is parted per fess acute angled, it is blazoned  per fess bevilled.

a bend double bevilled

Double bevilled , making two turns or angles.

See Partition Lines