R / runcātĭo
noun

runcātĭo

gen. runcātōnis · gender feminine · decl. 3rd
A weeding; weeding out
A weeding, weeding out, Col. 2, 9, 18; 2, 11, 19; Plin. 18, 21, 50, § 185.—
weeds
Concr., weeds to be pulled out, Col. 2, 11, 6.