An axle is used to mount rotating wheels or gears. Every vehicle with wheels has an axle. SUVs and other passenger vehicles typically feature a split-axle design. There steering wheel is attached to a steering axle that controls the direction of the wheels.
Full Definition of BOUILLON. : a clear seasoned soup made usually from lean beef; broadly: broth. See bouillon defined for English-language learners. See bouillon defined for kids.
boffin - (British slang) a scientist or technician engaged in military research. 1  jargon, lingo, patois, argot, vernacular, slang, cant - a characteristic language of a particular group (as among thieves); they don't speak our lingo.