the GNU version of the Collaborative International Dictionary of English
n. Same as centaur.
The Century Dictionary and Cyclopedia
n. A fabulous animal, part man and part horse; a horse-centaur.
Word Usage
"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."