noun

• (Greek mythology) The Greek goddess of the hunt, wild animals, and wilderness; the daughter of Leto and Zeus; the sister of Apollo. (Compare Diana.)
• (rare) A female given name from Ancient Greek. The usual male variation is Artemios.
• (very rare) A male given name from Ancient Greek.
• (astronomy) The main-belt asteroid 105 Artemis, discovered in 1868.
• (NASA, space science) A United States space program, and the associated vehicles, used for human travel to the moon in the 2020s.