Lewis Short
(verb) : ūberto, āre, 2. uber; cf. ubero
* To make fruitful, to fertilize (post-Aug. and very rare): ut omnes simul terras ubertet foveatque,Plin. Pan. 32, 2: agros (imber),Eum. Grat. Act. ad Const. 9 fin.
Charlton T. Lewis, Charles Short, A Latin Dictionary