Source : Webster's Revised Unabridged Dictionary (1913)

   {Renal capsules} or {glands}, the suprarenal capsules. See
      under {Capsule}.

   {Renal casts}, {Renal colic}. (Med.) See under {Cast}, and
      {Colic}.

Colic \Col"ic\, n. [F. colique, fr. L. colicus sick with the
   colic, GR. ?, fr. ?, ?, the colon. The disease is so named
   from its being seated in or near the colon. See {Colon}.]
   (Med.)
   A severe paroxysmal pain in the abdomen, due to spasm,
   obstruction, or distention of some one of the hollow viscera.

   {Hepatic colic}, the severe pain produced by the passage of a
      gallstone from the liver or gall bladder through the bile
      duct.

   {Intestinal colic}, or {Ordinary colic}, pain due to
      distention of the intestines by gas.

   {Lead colic}, {Painter's colic}, a violent form of intestinal
      colic, associated with obstinate constipation, produced by
      chronic lead poisoning.

   {Renal colic}, the severe pain produced by the passage of a
      calculus from the kidney through the ureter.

   {Wind colic}. See {Intestinal colic}, above.

Source : WordNet®

renal colic
     n : sharp pain in the lower back that radiates into the groin;
         associated with the passage of a renal calculus through
         the ureter