ῥαίνω

1. to sprinkle, besprinkle , ῥάσσατε (i.e. δῶμα ὕδατι) (Odyssey by Homer); αἵματι βωμόν (Euripides):—;Pass., πύργοι αἵματι ἐρράδατ᾽ (Iliad by Homer); αἵματι δ᾽ ἐρράδαται τοῖχοι (Odyssey by Homer):—;of dust, ἵπποι ῥαίνοντο κονίηι (Iliad by Homer)

2. metaphorically, ῥ. τινὰ ὕμνωι (Pindar)

3. to sprinkle , with accusative of the thing sprinkled, ῥαίνειν ἐς τὰ βλέφαρα to sprinkle (vinegar) in their eyes, (Aristophanes Comicus) (ML)