monopteron

[ mo-nop-tuh-ron, moh- ]
/ mɒˈnɒp təˌrɒn, moʊ- /

noun, plural mo·nop·te·ra [mo-nop-ter-uh, moh-] /mɒˈnɒp tər ə, moʊ-/.

a classical building having a single outer colonnade surrounding a central structure or a courtyard.
Also called monopteros.

Origin of monopteron

1700–10; noun use of neuter of Latin monopteros < Greek monópteros, equivalent to mono- mono- + -pteros -pterous