petition
US /pəˈtɪʃ.ən/
UK /pəˈtɪʃ.ən/
1.
a formal written request, typically one signed by many people, appealing to authority with respect to a particular cause
:
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They collected signatures for a petition to save the local park.
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The residents submitted a petition to the city council.
1.
make a formal written request to an authority
:
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They decided to petition the government for better public services.
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Students are petitioning for a change in the grading system.