cis·lu·nar adjective \(ˌ)sis-ˈlü-nər\
: lying between the earth and the moon or the moon's orbit <cislunar space>
First Known Use of CISLUNAR
Learn More About CISLUNAR
Seen & Heard
What made you want to look up cislunar? Please tell us where you read or heard it (including the quote, if possible).