[ lit-yoo-uhs ]

noun,plural lit·u·i [lit-yoo-ahy]. /ˈlɪt yuˌaɪ/.
  1. 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.

  2. (in ancient Rome) a crook-shaped staff used by augurs for divination.

Origin of lituus

1605–15; <Latin; geometrical sense from the curve's resemblance to such a staff

Words Nearby lituus Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use lituus in a sentence