a. [ 1st uro- + Gr. &unr_; to make. ] [ 1913 Webster ]

1. (Med.) Producing, or favoring the production of, urine. [ 1913 Webster ]

2. (Zool.) Of, pertaining to, or designating, a system of organs which eliminate nitrogenous waste matter from the blood of certain invertebrates. [ 1913 Webster ]