Lewis & Short

vēsīcārĭus, a, um, adj. [vesica], of or belonging to the bladder, bladder-.

  1. I. Adj.: aqua, i. e. curing pain in the bladder, Marc. Emp. 26; cf. Scrib. Comp. 146.
  2. II. Subst.: vēsīcārĭa, ae, f. (herba), a plant that cures pain in the bladder, bladder-wort, Plin. 21, 31, 105, § 177.