Lewis Short
(v. a.P. a.) : stercŏro, āvi, ātum, 1, v. a.id..
* To dung, manure with dung, to muck: loca,Varr. R. R. 1, 38; Cic. Sen. 15, 54: agrum,Mart. Cap. 3, § 305; Col. 2, 16, 2; Plin. 17, 9, 6, § 50.
* To cleanse from dung: latrinas,Dig. 7, 1, 15: stercorata colluvies,dungheap,Col. 1, 6, 24.—Hence, stercŏ-rātus, a, um, P. a., dunged, mucked, manured: locus stercoratissimus,Col. 11, 2, 85; 2, 11, 8.
Charlton T. Lewis, Charles Short, A Latin Dictionary