Or, His eyes are doves. The comparison is to doves seen by streams of water washing in milk (i. e., milk-white), and sitting on fulness (i. e., on the full or abundant water-flood).
Fitly set - This rendering supposes that the eyes within their sockets are compared to precious stones set in the foil of a ring (see the margin); but the other rendering is preferable. The milk-white doves themselves, sitting by full streams of water, or reflected in their flittings athwart the glassy surface, present images of the calm repose and vivid glances of the full pure lustrous eyes of the beloved.