The Collaborative International Dictionary of English v.0.48:

Astrict \As*trict"\, v. t. [imp. & p. p. Astricted; p. pr. &
   vb. n. Astricting.] [L. astrictus, p. p. of astringere. See
   Astringe.]
   1. To bind up; to confine; to constrict; to contract.
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            The solid parts were to be relaxed or astricted.
                                                  --Arbuthnot.
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   2. To bind; to constrain; to restrict; to limit. [R.]
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            The mind is astricted to certain necessary modes or
            forms of thought.                     --Sir W.
                                                  Hamilton.
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   3. (Scots Law) To restrict the tenure of; as, to astrict
      lands. See Astriction, 4. --Burrill.
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