Lewis & Short

hydrops, ōpis, m., = ὕδρωψ, the dropsy, Cels. 3, 21; Hor. C. 2, 2, 13; Cael. Aur. Tard. 3, 8, 96 sqq.
Plur.: hydrōpes, um, the several kinds of dropsy, Cael. Aur. Tard. 3, 8, 98.