Lewis & Short

Imbrĭcĭtor, ōris, m. [imber-cieo], he who causes showers, the shower-sender (poet.): spiritus Austri Imbricitor, etc., Enn. ap. Macr. S. 6, 2 (Ann. v. 424 Vahl.): Apollo deus Imbricitor, Macr. S. 1, 17, 49: Juppiter dicitur etiam Imbricitor et item Serenator, App. de Mundo, p. 75.