Lewis Short
(verb) : irrādo (inr-), 3, 1. in-rado.
* To scrape into: eodem silphium irradito,Cato, R. R. 157, 7; cf. § 8.
* To scrape, shave, make smooth: caput irrasum,shaved, bald,Plaut. Rud. 5, 2, 16.
Charlton T. Lewis, Charles Short, A Latin Dictionary