Onager (weapon) Onager (weapon) The onager (British /ˈɒnədʒə/, /ˈɒnəɡə/, U.S. /ˈɑnədʒər/) was an imperial-era Roman torsion powered siege engine; in other words, a small catapult. The onager was first mentioned in 353 AD by Ammianus Marcellinus, who described onagers as the same as a scorpion. According to two authors of the later Roman Empire who wrote on military affairs, the onager derived its name from the kicking action of the machine that threw stones into the air, as did the hooves of the wild ass, the onager, which was native to the eastern part of the empire. The onager consisted of a
Spoor (animal) look carefully on the spoor in the trails" means to investigate what is actually going on in a sensitive situation. Spoor (animal) Spoor is a trace or a set of footprints by which the progress of someone or something may be followed. Spoor may include tracks, scents, or broken foliage. Spoor is useful for discovering or surveying what types of animals live in an area, or in animal tracking. The word originated c. 1823, from Cape Dutch "spoor", from Middle Dutch "spor", which is cognate with Old English "spor" "footprint, track, trace" and modern English language "spurn" (as in ankle).