47. Tunc rex projecit a se in directum Bipennem suam quod
est 'Francisca', etc. (Gesta Franc. in tom. ii. p. 554.) The
form and use of this weapon are clearly described by
Procopius (in tom. ii. p. 37 [Bell. Goth. 1. u. c. 25, tom.
ii. p. 247, 248, ed. Bonn]). Examples of its 'national'
appellation in Latin and French may be found in the Glossary
of Durange and the large Dictionnaire de Trevoux.