This is the 5405th most frequent Russian word.
парламенту
"Парламенту" is the dative case of "парламент," meaning "to the parliament" in English.
The dative case is used here to indicate the indirect object receiving an action.
На последнем заседании парламенту предложили рассмотреть новый законопроект.
At the last meeting, the parliament was offered to review a new bill.
'Парламенту' appears in the dative case after the preposition 'к', denoting direction towards.
Президент обратился к парламенту с речью о будущем страны.
The president addressed the parliament with a speech about the future of the country.
The dative case is used here to indicate the entity that is given responsibility or obligation.