WordNet sense 1 (a fishing net with three layers; the outer two are coarse mesh and the loose inner layer is fine mesh):

trammel net

WordNet sense 2 (a restraint that confines or restricts freedom (especially something used to tie down or restrain a prisoner)):

bond, hamper, shackle

WordNet sense 3 (catch in or as if in a trap):

ensnare, entrap, snare, trap

WordNet sense 4 (place limits on (extent or access)):

bound, confine, limit, restrain, restrict, throttle