Definitions

1. adjective

relating to or characteristic of the moon, especially in its phases or eclipses

“The lunar calendar is used to determine the dates of traditional Chinese festivals.”

2. noun

the moon, especially in its phases or eclipses

“The lunar surface is composed of craters and mountains.”

3. noun

a person who travels to the moon, especially as part of a space mission

“The lunar astronauts collected samples from the moon’s surface.”