Definition of "lituus" in English

noun

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. An augur's staff with a recurved top.

3. (geometry) A curve with polar equation r²θ=a², where a is a constant.