uro- 1
a combining form meaning "urine," used in the formation of compound words: urology.
Also, esp. before a vowel, ur- .
[ oûron urine ]
uro- 2
a combining form meaning "tail," used in the formation of compound words: uropod.
Also, esp. before a vowel, ur- .
[ uro-, comb. form repr. Gk ourá ]