hippocentaur

Aristotle believes, for the full range of thoughts we actually have, since we can think of particular individuals who no longer exist, like Socrates, and mythical creatures that “do not exist in any way at all,” like the hippocentaur.

Intentionality in Ancient Philosophy Caston, Victor 2007

Anything, whether movable or immovable, which admits of private ownership, may be made the object of a stipulation; 1 but if a man stipulates for the delivery of a thing which either does not or cannot exist, such as Stichus, who is dead but whom he though alive, or an impossible creature, like a hippocentaur, the contract will be void.

The Institutes of Justinian John Baron Moyle 1891

Three centuries later when Pliny the Elder declared that he had seen the corpse of a hippocentaur

Culture | guardian.co.uk 2010

Filioque split the Spirit in half, made the Spirit a hippocentaur, a divine grandson, collapsed Father and Son into one person, and excluded the Spirit from the divine essence.

The Scriptorium Daily: Middlebrow 2009

Pepita appeared to the eyes and on the stage of my fancy in the leafy seclusion of the grove, not as she rode before us on horseback, but in an ideal and ethereal fashion—as Venus to Æneas, as Minerva to Callimachus, as the sylph who afterward became the mother of Libusa to the Bohemian Kroco, as Diana to the son of Aristæus, as the angels in the valley of Mamre to the Patriarch, as the hippocentaur to St. Anthony in the solitude of the wilderness.

May 4th. Part I.—Letters from My Nephew 1917