Geometry. a polar curve generated by the locus of a point moving so that the square of its radius vector varies inversely as the angle the radius vector makes with the polar axis. Equation: θr2 = a.
(in ancient Rome) a crook-shaped staff used by augurs for divination.
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How to use lituus in a sentence
Eckhel infers from the guttus and lituus on one of Sulla's coins that he was an Augur.Plutarch's Lives, Volume II | Aubrey Stewart & George Long
lituus, li-tū′us, n. an augur's staff with recurved top: a spiral of similar form.
It is the gold lituus dug up in the year 1824, within the monolithic circle of Leys, Inverness-shire.The Archaeology and Prehistoric Annals of Scotland | Daniel Wilson
The Roman lituus, the chief ensign of the augurs, became the crozier.History of the Conflict Between Religion and Science | John William Draper
A Roman lituus, or clarion, was found near Tattershall Ferry.Records of Woodhall Spa and Neighbourhood | J. Conway Walter