Lewis & Short

hydrăgōgus, a, um, adj., = ὑδραγωγός, that carries off water.

  1. I. Adj.: utendum aquiducis medicamentis, quae Graeci hydragoga vocaverunt, Cael. Aur. Tard. 3, 8, 119.
  2. II. Subst.: hydrage-gos, i, f., a plant, called also chamaedaphne and daphnites, App. Herb. 27.