Monoceros

[muh-nos-er-uhs]

noun

Astronomy.

genitive

Monocerotis 

1. the Unicorn, a constellation south of Gemini and east of Orion.

Monoceros

/ məˈnɒsərəs /

noun

1. a faint constellation on the celestial equator crossed by the Milky Way and lying close to Orion and Canis Major

Word History and Origins

Origin of Monoceros¹

C14: via Old French from Latin: unicorn, from Greek monokeros with a single horn, from _mono- + keras horn