Definition of "Constitution" :

noun: the act of forming or establishing something

"The constitution of a PTA group last year."

noun: a United States 44-gun frigate that was one of the first three naval ships built by the United States; it won brilliant victories over British frigates during the War of 1812 and is without doubt the most famous ship in the history of the United States Navy; it has been rebuilt and is anchored in the Charlestown Navy Yard in Boston

noun: the way in which someone or something is composed

noun: law determining the fundamental political principles of a government

noun: the constitution written at the Constitutional Convention in Philadelphia in 1787 and subsequently ratified by the original thirteen states