Lituus

//ˈlɪtju.əs// noun

Definitions

Noun
  1. 1
    A military trumpet.

    "1786: Fig. 3. A Roman Lituus, or military trumpet, such as is mentioned by Horace in his first ode. — Francis Grose, A Treatise on Ancient Armour and Weapons, page vi."

  2. 2
    An augur's staff with a recurved top.
  3. 3
    A curve with polar equation r²θ=a², where a is a constant.

Etymology

Unadapted borrowing from Latin lituus.

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