Definitions

1. noun

A period of three lunar months or three years, especially a period of three months in a woman’s menstrual cycle

“The astrologer studied the trine to determine the best time for the wedding ceremony.”

2. noun

An alignment of three celestial bodies, such as planets or stars, at a 120-degree angle

“The astronomers observed the trine of the planets in the night sky.”

3. adjective

In astrology, referring to a harmonious aspect of three celestial bodies

“The trine aspect in the birth chart indicated a person’s natural talent for creativity.”