cislunar

[sis-loo-ner]

adjective Astronomy.

of or relating to the space between the earth and the orbit of the moon.

Origin of cislunar

First recorded in 1865–70; cis- + lunar

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cislunar

Historical Examples of cislunar

To be held for the use of the Undersecretary for Cislunar Navigation incumbent in the year 2492.
If at First You Don't...
John Brudy

British Dictionary definitions for cislunar

cislunar

adjective

of or relating to the space between the earth and the moonCompare translunar

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012