Wiktionary
n. 1 (misspelling of superintendent English) 2 (archaic spelling of superintendent English) (was preferred form in early 1800s)
Usage examples of "superintendant".
One of Philadelphia’s most prominent Jewish financiers, Haym Salomon, also worked closely with Robert Morris, the superintendant of finance.
It is to consist of the ex-Presidents of the United States, the Vice President, the Heads of all the executive departments, the members of the supreme judiciary, the Governors of the several States and territories, all the members of both Houses of Congress, all the general officers of the army, the commissioners of the navy, all Presidents and Professors of colleges and theological seminaries, all the clergy of the United States, the Presidents and Secretaries of all associations having relation to Indians, all commanding officers within or near Indian territories, all Indian superintendants and agents.