arsinoitherium - an extinct genus of mammals, related to elephants, sirenians and hyraxes, superficially resembling a two horned rhinoceros

#AppendixNLocutionOfTheDay from Gene Wolfe's The Citadel of the Autarch. A varied group of forces aligns to hold the line of battle, and Severian notes the impressive Daughters of War amongst the all-male light cavalry.

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estafette - a dispatch rider, primarily military; a mounted courier. From the diminutive of "staffa," meaning "stirrup," in Italian.

#AppendixNLocutionOfTheDay from Gene Wolfe's The Citadel of the Autarch. Severian hears a rider approach as he is cutting meat from a fallen mount.

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ile - a squadron of cavalry in Macedonian King Phillip II's armies, consisting of 200 men

#AppendixNLocutionOfTheDay from Gene Wolfe's The Citadel of the Autarch. Severian considers the purposeful movement of approaching footsteps.

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heptarch - a ruler of one of seven allied states

#AppendixNLocutionOfTheDay from Gene Wolfe's The Citadel of the Autarch. Severian participates in a ritual of the highest of seven orders.

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dyad - something that consists of two elements or parts

#AppendixNLocutionOfTheDay from Gene Wolfe's The Citadel of the Autiarch. A strange entity asks if the Autarch was a man, half a mother and father.

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jezail - a simple and often hand made rifle used in South Asia and parts of the Middle East during the 19th century

#AppendixNLocutionOfTheDay from Gene Wolfe's The Citadel of the Autarch. Severian meets a group, strangely dressed soldiers with large eyes and hollow cheeks, carrying rifles taller than them.

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declivity - a downward slope

#AppendixNLocutionOfTheDay from Gene Wolfe's The Citadel of the Autarch. Severian struggles to reach a mysterious house perched atop a cliff.

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culverin - a kind of handgun of the 15th and 16th centuries. Also, a cannon with a long barrel in the 16th and 17th centuries

#AppendixNLocutionOfTheDay from Gene Wolfe's The Citadel of the Autarch. Severian descends into a canyon, where the rushing water drowns out the sounds of warfare above.

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aes - any of various early forms of bronze or copper money used in Ancient Rome

#AppendixNLocutionOfTheDay from Gene Wolfe's The Citadel of the Autarch. The Pelerine slave Winnoc tells of how he sold himself to the Order, bringing his payment to his mother before departing on their ship.

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pharmacon - a medicine

#AppendixNLocutionOfTheDay from Gene Wolfe's The Citadel of the Autarch. Severian meets a man at the front wearing a phial around his throat.

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