Definitions

1. noun

A fifth or fifth-born child, especially in ancient Rome, where children were named based on their birth order.

“The Roman family had five children, with the fifth one being named Quintilis, now more commonly known as July.”

2. proper noun

The fifth month of the Roman calendar, now corresponding to July in the modern Gregorian calendar.

“The Roman festival to celebrate the harvest was held in Quintilis to honor the god Jupiter.”