The Collaborative International Dictionary of English v.0.48:

Stent \Stent\, v. t. [Obs. imp. Stente; obs. p. p. Stent.]
   [See Stint.]
   To keep within limits; to restrain; to cause to stop, or
   cease; to stint.
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         Then would he weep, he might not be stent. --Chaucer.
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         Yet n'ould she stent
         Her bitter railing and foul revilement.  --Spenser.
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The Collaborative International Dictionary of English v.0.48:

Stent \Stent\, v. i.
   To stint; to stop; to cease.
   [1913 Webster]

         And of this cry they would never stenten. --Chaucer.
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The Collaborative International Dictionary of English v.0.48:

Stent \Stent\, n.
   An allotted portion; a stint. "Attain'd his journey's stent."
   --Mir. for Mag.
   [1913 Webster]

WordNet (r) 3.0 (2006):

stent
    n 1: a slender tube inserted inside a tubular body part (as a
         blood vessel) to provide support during and after surgical
         anastomosis