UR-

I. combining form

or uro-

Etymology: New Latin, from Greek our-, ouro-, from ouron urine, from ourein to urinate — more at urine

1. : urine

ur ic

2. : urinary tract

uro logy

3. : urinary and

uro genital

4. : urea

ur acil

II. combining form

or uro-

Etymology: New Latin, from Greek our-, ouro-, from oura tail — more at ass

: tail

uro pod

III. ˈu̇r prefix

Usage: often capitalized

Etymology: German, from Old High German ir-, ur- thoroughly (perfective prefix) — more at abide

1. : original : primitive

ur- form

2. : original version of

ur text

3. : prototypical : arch-

ur- anticommunist