Lewis Short
(verb) : ē-rūdĕro, no
* Perf., ātum, 1, , to clear from rubbish (very rare).
* Lit.: solum,Varr. R. R. 2, 2, 7.
* Trop.: volumen de supervacuis sententiis,Sid. Ep. 5, 15; 5, 7; Ambros. Ep. 22, 2.
Charlton T. Lewis, Charles Short, A Latin Dictionary