primum mobile
pri·mum mo·bi·le
noun \ˈprī-məm-ˈmō-bə-lē, ˈprē-\ plural primum mobiles
Definition of PRIMUM MOBILE
: the outermost concentric sphere conceived in medieval astronomy as carrying the spheres of the fixed stars and the planets in its daily revolution
Origin of PRIMUM MOBILE
Middle English, from Medieval Latin, literally, first moving thing
First Known Use: 15th century
Browse
Next Word in the Dictionary: primus
Previous Word in the Dictionary: primulinus
All Words Near: primum mobile
Previous Word in the Dictionary: primulinus
All Words Near: primum mobile
Seen & Heard 
What made you want to look up primum mobile? Please tell us where you read or heard it (including the quote, if possible).
