mercedonius

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Proper noun

1. {{lb|en|historical}} The [[intercalary]] [[month]] of the [[Ancient Roman]] [[calendar]], [[abolish]]ed with the introduction of the [[Julian calendar]] in 45 BC.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.