Quid nunc iungentia mirer aut quid partitis distantia tecta trichoris? quid te, quae mediis seruata penatibus arbor60 tecta per et postis liquidas emergis in auras, quo non sub domino saeuas passura bipennis? et nunc ignaro forsan uel lubrica Nais uel non abruptos tibi demet Hamadryas annos. quid referam alternas gemino super aggere mensas65 albentisque lacus altosque in gurgite fontis? teque, per obliquum penitus quae laberis amnem, A Villa at Tibur

The axes were fashioned in the old shapes of the age of bronze, were not of the _bipennis_ Mycenaean model -- the double axe -- nor of the shape of the letter D, very thick, with two round apertures in the blade, like the bronze axe of Vaphio. Homer and His Age

Some were made with two blades, like the _bipennis_ of the Romans. and the _labra_ of the Lydians and Carians; others more nearly resembled the weapons used by our own knights in the middle ages, having a single blade, and a mere ornamental point on the other side of the haft. The Seven Great Monarchies Of The Ancient Eastern World, Vol 2. (of 7): Assyria The History, Geography, And Antiquities Of Chaldaea, Assyria, Babylon, Media, Persia, Parthia, And Sassanian or New Persian Empire; With Maps and Illustrations.

We have ‘twilight’, but ‘twibill’ = bipennis (Chapman) is extinct. English Past and Present

The first represents a combination of two warlike implements on one handle -- the upper one an axe, the lower a bipennis. Rambles of an Archaeologist Among Old Books and in Old Places Being Papers on Art, in Relation to Archaeology, Painting, Art-Decoration, and Art-Manufacture

Opusculum hoc, Halberdarie amplissime, in lucem proferre hactenus distuli, judicii tui acumen subveritus magis quam bipennis. Lives of the Poets, Volume 1

The peculiar offensive weapons of the inhabitants of Y\sia were the bipennis, or double battle-axe, the club, and the bow and arrow, generally carried in two different parti - tions of the same case or quiver. Costume of the ancients