/lit"yooh euhs/ , n. , pl. litui /lit"yooh uy'/ .
1. Geom. 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: t r 2 = a.
2. (in ancient Rome) a crook-shaped staff used by augurs for divination.
[ 1605-15; ]