charter -- (a document incorporating an institution and specifying its rights; includes the articles of incorporation and the certificate of incorporation)
charter -- (a contract to hire or lease transportation)
Overview of verb charter
The verb charter has 3 senses
rent, hire, charter, lease -- (hold under a lease or rental agreement; of goods and services)
charter -- (grant a charter to)
lease, rent, hire, charter, engage, take -- (engage for service under a term of contract; "We took an apartment on a quiet street"; "Let's rent a car"; "Shall we take a guide in Rome?")