Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
imbrĭfer, ĕra, ĕrum, adj. [imber-fero], rain-bringing, rainy (poet. and in postAug. prose): Austri, Ov. M. 13, 725: ver, Verg. G. 1, 313: caelum, Col. 5, 5, 4: Nilus, i. e. overflowing, Mart. 1, 62, 5.