urinary

virtsa- Pertaining to urine, its production, function, or excretion.
Of or relating to the organs involved in the formation and excretion of urine.
puhekieltä A urinary device or fixture: a urinal.
1864 January 26, J.G. Lindsay, https://books.google.com.hk/books?id=uBq1AAAAIAAJ&pg=PA248 letter to P.P.L. O'Connel, https://books.google.com.hk/books?id=uBq1AAAAIAAJ&pg=PA250 §8:

Arconum—I found two chairs wanting in the gentlemen's room, and the bathroom bath room attached applied to other purposes... the privy privies and urinary urinaries clean...