noun,plural for·mi·car·i·a [fawr-mi-kair-ee-uh]. /ˌfɔr mɪˈkɛər i ə/.
First recorded in 1825–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use formicarium in a sentence
After travelling for some hundreds of yards, often for more than half a mile, the formicarium is reached.A Book of Natural History | Various