clamp
131clamp down — {v.}, {informal} To put on strict controls; enforce rules or laws. * /After the explosion, police clamped down and let no more visitors inside the monument./ * /The school clamped down on smoking./ * /When the crowds became bigger and wilder, the …
132clamp down — intransitive verb Date: 1938 to impose restrictions ; crack down < the police are clamping down on speeders > …
