'Gag law' definitions:

Definition of 'gag law'

From: WordNet
noun
A rule for limiting or ending debate in a deliberative body [syn: closure, cloture, gag rule, gag law]
noun
Any law that limits freedom of the press

Definition of 'Gag law'

From: GCIDE
  • Gag law \Gag law\ (Parliamentary Law) A law or ruling prohibiting proper or free debate, as in closure. [Colloq. or Cant] [Webster 1913 Suppl.]