(1):

(n.) Incapacity to hold; hence, incapacity to hold back or restrain; the quality or state of being incontinent; want of continence; failure to restrain the passions or appetites; indulgence of lust; lewdness.

(2):

(n.) The inability of any of the animal organs to restrain the natural evacuations, so that the discharges are involuntary; as, incontinence of urine.