[1] : The Collaborative International Dictionary of English v.0.48

constrict \constrict"\, v. t. imp.  p. p. constricted; p.
   pr.  vb. n. constricting. l. constrictus, p. p. of
   constringere. see constrain.
   to draw together; to render narrower or smaller; to bind; to
   cramp; to contract or cause to shrink.
   1913 webster

         such things as constrict the fibers.     --arbuthnot.
   1913 webster

         membranous organs inclosing a cavity which their
         contraction serves to constrict.         --todd 
                                                  bowman.
   1913 webster
see also:
constricted constricting constrain 

[2] : The Collaborative International Dictionary of English v.0.48

constricting \constricting\ adj.
   1. hindering freedom of movement.

   syn: binding.
        wordnet 1.5

   2. being reduced in width.

   syn: constrictive, narrowing.
        wordnet 1.5

[3] : WordNet (r) 2.0

constricting
     adj 1: hindering freedom of movement; "tight garments are
            uncomfortably binding" syn: binding
     2: of circumstances tending to constrict freedom syn: constrictive,
         narrowing
see also:
binding constrictive narrowing 

Constricting >> C Words
Constricting, definition of term: Constricting
constricting_pag1.html