Definitions of hold
(US) an anonymous objection by one or more senators to scheduling a matter for debate
When a senator places a secret hold on a measure it signals serious opposition to the leaders of the Senate.
an order to keep something as it is; an order to delay or postpone something
The federal judge ordered a hold on any marriages in the state for at least two weeks while the state has time to draft an appeal.
influence, power, or control over someone or something
Martires said the administration has no hold over how the court would try the plunder case.