J. Hector St. Jean de Crevecoeur's "Letters from an American Farmer"

Mast

Definition (n)

1a long pole or spar rising from the keel or deck of a ship and supporting the yards, booms, and rigging
2a slender vertical or nearly vertical structure (such as an upright post in various cranes)
3a disciplinary proceeding at which the commanding officer of a naval unit hears and disposes of cases against enlisted men

—  called also captain's mast

Source