R / rŭgītus
noun

rŭgītus

gen. rŭgītūs · gender masculine · decl. 4th
A roaring
A roaring of lions, Vop. Prob. 19: leonis, Vulg. Job, 4, 10.—
a rumbling by extension
Transf., a rumbling in the bowels, Cael. Aur. Tard. 3, 2; 4, 7; Hier. Ep. 22, 11.