Examples from the Web for penannular
The terminations of the penannular ring soon become so expanded that they fill up exactly half the ring.
They were penannular, and tapered nearly to a point at the ends.The Archaeology and Prehistoric Annals of Scotland|Daniel Wilson
The developments in the form of this brooch show its evolution from a penannular to an annular ring.
The Celtic group is characterized by the penannular form of the ring of the brooch and the greater length of the pin.