Roman numeral

noun

: a numeral in a system of notation that is based on the ancient Roman system see Table of Numbers

Examples of Roman numeral in a Sentence

In Roman numerals “X” is equal to the number 10.

Word History

First Known Use

circa 1638, in the meaning defined above

Rhymes for Roman numeral

• glenohumeral
• humeral
• humoral

Kids Definition

Roman numeral

noun

: a numeral in a system of numbers based on the ancient Roman system see number