Lewis & Short

dē-blătĕro, āvi, ātum, 1, v. a., to prate of a thing, to babble, blab out (ante and post-class.): versuum multa milia, Gell. 9, 15, 10; id. 1, 2, 6.
With acc. and inf., Plaut. Aul. 2, 3, 1; Lucil. ap. Non. 96, 10.