noun
plural clamps
[count] a device that holds or presses parts tightly together
Brit :denver boot
verb
clamps; clamped; clamping
[+ obj] to hold or press (things or parts of a thing) tightly together with a device :to fasten or tighten (something) with a clamp
to press or squeeze (something)
Brit :2boot
clamp down on
[phrasal verb]
clamp down on (someone or something) :to try harder to punish (people who are doing something that is not legal or proper)
clamp on
[phrasal verb] chiefly US clamp (something) on (something or someone) :to officially set (a limit, rule, punishment, etc.) for (someone or something)