What is the definition or description of: urine leaking?

Here are some...: Urine leaking denotes urine wetting underwear before reaching toilet or after supposed ending a urination, or during interval between urination, termed as urge urinary incontinence (UI), stress UI, or mixed UI, resulting from lacking coherence of function of urine-controlling muscles & nerves, or postvoid dribbling from lacking ability to squeeze the last drops of urine from urethra or vagina.