[ mey-truh-ney-lee-uh, -neyl-yuh, ma- ]
/ ˌmeɪ trəˈneɪ li ə, -ˈneɪl yə, ˌmæ- /
noun, plural Ma·tron·al·i·al·i·a, Ma·tron·al·i·al·i·as. (sometimes used with a plural verb)
an annual festival of ancient Rome held by matrons in honor of Juno.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for matronalia
In her honor wives held the festival of the Matronalia on the first of March of each year.The Classic Myths in English Literature and in Art (2nd ed.) (1911)|Charles Mills Gayley
Juno's festivals, the Matronalia, in Rome, were always celebrated with great pomp.Stories of Old Greece and Rome|Emilie Kip Baker