PANTHE'ON, noun [Gr. all, and God.] A temple or magnificent edifice at Rome, dedicated to all the gods. It is now converted into a church. It was built or embellished by Agrippa, son-in-law to Augustus, is of a round or cylindrical form, with a spherical dome, and 144 feet in diameter.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI