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.]
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            A man of stricture and firm abstinence. --Shak.
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   2. A stroke; a glance; a touch. [Obs.] --Sir M. Hale.
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   3. A touch of adverse criticism; censure.
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            [I have] given myself the liberty of these
            strictures by way of reflection on all and every
            passage.                              --Hammond.
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   4. (Med.) A localized morbid contraction of any passage of
      the body. Cf. Organic stricture, and Spasmodic
      stricture, under Organic, and Spasmodic. --Arbuthnot.
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WordNet (r) 3.0 (2006):

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