constipation

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Difficult, incomplete, or infrequent evacuation of dry hardened feces from the bowels.
• noun Obstruction; stultification.

from The Century Dictionary.

• noun The act of crowding anything into a smaller compass; a cramming or stuffing; condensation.
• noun In medicine, a state of the bowels in which, on account of diminished intestinal action or secretion, the evacuations are obstructed or stopped, and the feces are hard and expelled with difficulty; costiveness.

from the GNU version of the Collaborative International Dictionary of English.

• noun obsolete Act of crowding anything into a less compass, or the state of being crowded or pressed together; condensation.
• noun A state of the bowels in which the evacuations are infrequent and difficult, or the intestines become filled with hardened fæces; costiveness.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Act of crowding anything into a lesser compass, or the state of being crowded or pressed together; condensation.
• noun A state of the bowels in which the evacuations are infrequent and difficult, or the intestines become filled with hardened faeces; costiveness.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the act of making something futile and useless (as by routine)
• noun irregular and infrequent or difficult evacuation of the bowels; can be a symptom of intestinal obstruction or diverticulitis