Merriam-Webster Collegiate Dictionary - colic

 I. noun  Etymology: Middle English, from Medieval Latin ~a (passio) intestinal (suffering), from Late Latin ~us of the colon, ~ky, from Greek kolikos, from kolon, alteration of kolon colon  Date: 15th century  1. an attack of acute abdominal pain localized in a hollow organ and often caused by spasm, obstruction, or twisting  2. a condition marked by recurrent episodes of prolonged and uncontrollable crying and irritability in an otherwise healthy infant that is of unknown cause and usually subsides after three to four months of age  II. adjective  Date: 15th century of or relating to ~ ; ~ky ~ crying  III. adjective  Date: 1615 of or relating to the colon ~ lymph nodes