The Collaborative International Dictionary of English v.0.48:

Colic \Col"ic\, a.
   1. Of or pertaining to colic; affecting the bowels. --Milton.
      [1913 Webster]

   2. (Anat.) Of or pertaining to the colon; as, the colic
      arteries.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]

   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.
      [1913 Webster]

WordNet (r) 3.0 (2006):

colic
    n 1: acute abdominal pain (especially in infants) [syn: colic,
         intestinal colic, gripes, griping]

Moby Thesaurus II by Grady Ward, 1.0:

104 Moby Thesaurus words for "colic":
   abscess, ache, aching, ague, anemia, angina, ankylosis, anoxia,
   apnea, asphyxiation, asthma, ataxia, atrophy, backache, bellyache,
   bleeding, blennorhea, cachexia, cachexy, cardialgia, cephalalgia,
   chill, chills, cholera morbus, collywobbles, constipation,
   convulsion, costiveness, coughing, cyanosis, diarrhea, dizziness,
   dropsy, dysentery, dyspepsia, dyspnea, earache, edema, emaciation,
   fainting, fatigue, fever, fibrillation, flux, fret, gnawing, gripe,
   gripes, growth, gut-ache, headache, heartburn, hemicrania,
   hemorrhage, high blood pressure, hydrops, hypertension,
   hypotension, icterus, indigestion, inflammation, insomnia,
   irregularity, itching, jaundice, labored breathing, lientery,
   low blood pressure, lumbago, marasmus, megrim, migraine,
   nasal discharge, nausea, necrosis, obstipation, odontalgia,
   otalgia, pain, paralysis, pruritus, pyrosis, rash, rheum,
   sclerosis, seizure, shock, sick headache, skin eruption, sneezing,
   sore, spasm, splitting headache, stomachache, tabes, tachycardia,
   throbbing pain, toothache, trots, tumor, upset stomach, vertigo,
   vomiting, wasting