Lewis & Short

ăquātĭlis, e, adj. [aqua].

  1. I.
    1. A. Living, growing, or found, in or near water, aquatic: vescimur bestiis et terrenis et aquatilibus et volantibus, Cic. N. D. 2, 60, 151 B. and K.
    2. B. Subst.: ăquātĭlĭa, ium, n., aquatic animals: aquatilium in medicinā beneficia, Plin. 31, 1, 1, § 1.
  2. II. Having a watery taste, ὑδαρής: sunt amari absinthi, aquatiles cucumeris, cucurbitae, lactucae, Plin. 19, 12, 61, § 186.
  3. III. ăquātĭlĭa, ium, n., a disease of cattle, watery vesicles: hydatides, Veg. Vet. 2, 49.