Parliament is a/an-

ব্যাখ্যা:
Parliament: (in the UK) the highest legislature, consisting of the Sovereign, the House of Lords, and the House of Commons.
Bengali Meaning: সংসদ
A Collective noun (সমষ্টিবাচক বিশেষ্য) in the name of a number (or collection) of persons or things taken together and spoken of a one whole; as crowd, mob, team, flock, herd, army, fleet, jury, family, nation, parliament, committee.
Source: Wren and Martin