The Collaborative International Dictionary of English v.0.48:

Stricture \Stric"ture\, n. [L. strictura a contraction, from
   stringere, strictum, to draw tight: cf. F. stricture. See
   Strict.]
   1. Strictness. [Obs.]
      [1913 Webster]

            A man of stricture and firm abstinence. --Shak.
      [1913 Webster]

   2. A stroke; a glance; a touch. [Obs.] --Sir M. Hale.
      [1913 Webster]

   3. A touch of adverse criticism; censure.
      [1913 Webster]

            [I have] given myself the liberty of these
            strictures by way of reflection on all and every
            passage.                              --Hammond.
      [1913 Webster]

   4. (Med.) A localized morbid contraction of any passage of
      the body. Cf. Organic stricture, and Spasmodic
      stricture, under Organic, and Spasmodic. --Arbuthnot.
      [1913 Webster]

WordNet (r) 3.0 (2006):

stricture
    n 1: abnormal narrowing of a bodily canal or passageway [syn:
         stenosis, stricture]
    2: severe criticism

Moby Thesaurus II by Grady Ward, 1.0:

146 Moby Thesaurus words for "stricture":
   abbreviation, adverse criticism, anathema, animadversion,
   arraignment, arrest, arrestation, arrestment, aspersion,
   astriction, astringency, bad notices, bad press, blame, blockage,
   blocking, bottleneck, captiousness, carping, castigation, cavil,
   caviling, censoriousness, censure, cervix, check, circumscription,
   clogging, closing up, closure, coarctation, compactedness,
   compaction, compression, compressure, concentration, condemnation,
   condensation, consolidation, constraint, constriction,
   constringency, contraction, contracture, cramp, criticism,
   curtailment, damnation, decrease, decrial, delay, denouncement,
   denunciation, detainment, detention, deterrent, diminuendo,
   exception, excoriation, faultfinding, fixation, flak, flaying,
   foot-dragging, fulmination, fustigation, hairsplitting, hampering,
   hindering, hindrance, hit, holdback, holdup, home thrust,
   hostile criticism, hourglass, hourglass figure, hypercriticalness,
   hypercriticism, impeachment, impediment, imputation, indictment,
   inhibition, interdiction, interference, interruption, isthmus,
   knitting, knock, let, nagging, narrow place, narrowing, neck,
   negativism, niggle, niggling, nit, nit-picking, nuisance value,
   obloquy, obstruction, obstructionism, occlusion, opposition,
   overcriticalness, pestering, pettifogging, pillorying,
   priggishness, puckering, pursing, quibble, quibbling, rap,
   reduction, reflection, reprehension, repression, reproachfulness,
   reprobation, resistance, restraint, restriction, retardation,
   retardment, setback, shortening, skinning alive, slam,
   solidification, squeeze, stranglehold, stranglement, strangulation,
   striction, suppression, swipe, systole, taking exception, taper,
   tapering, trichoschistism, wasp waist, wrinkling