\Con"sti*pate\, v. t. [imp. & p. p. {Constipated}; p. pr. & vb. n. {Constipating}.] [L. constipatus, p. p. of constipare; con- + stipare to crowd together. See {Costive}.] 1. To crowd or cram into a narrow compass; to press together or condense. [Obs.] Of cold the property is to condense and constipate. --Bacon. 2. To stop (a channel) by filling it, and preventing passage through it; as, to constipate the capillary vessels. 3. (Med.) To render costive; to cause constipation in.