Encyclopedia of historical weapons - Onager

Roman Ballista, so named after a wild ass because of the way it kicked back upon firing. It was most common in the armies in the mid 4th century AD. Since they were so large and slow to move the onagri were most suited for sieges. The length of the sling on the end of the arm could be adjusted to affect the trajectory of the stone.

Encyclopedia of historical weapons

From Encyclopedia

Cross
Also cross-guard or quillions. The straight bar or guard of a Medieval sword.
Martel
See War hammer.
Prime
See Forte'.
Waisted-grip
Specially shaped handle. Has somewhat wider middle and narrows towards the pommel.
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