primum mobile /prīˈməm mōˈbi-lē, mobˈi-lē or prēˈmŭm mōˈbi-le/

1. In medieval astronomy, the outermost of the revolving spheres of the universe, carrying the others round in 24 hours
2. Any great source of motion

• babblier
• babbliest
• babbling
• babbling brook
• babblings
• babbling thrush
• babbly
• babe
• Babee
• Babeeism
• Babel
• babeldom
• babeldoms
• babelesque
• babelicious
• babelish
• babelism
• babelisms
• Babels
• babes
• Babesia
• babesiases
• babesiasis
• babesioses
• babesiosis