lituus

Etymology
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Noun

 * 1) A military trumpet.
 * 2) * 1786: Fig. 3. A Roman Lituus, or military trumpet, such as is mentioned by Horace in his first ode. &mdash; Francis Grose, A Treatise on Ancient Armour and Weapons, page vi.
 * 3) An augur's staff with a recurved top.
 * 4)  A curve with polar equation $$r^2 \theta = a^2$$, where a is a constant.

Etymology
From or from. Compare 🇨🇬 and 🇨🇬.

Noun

 * 1) a military trumpet
 * 2) a curved staff

Etymology
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