Synonyms of 'axis'
An axle is a rod connecting a pair of wheels on a car or other vehicle.
The engine, gearbox and black axle needed to be replaced.
A pivot is the pin or the central point on which something balances or turns.
The pedal had sheared off at the pivot.
Thesaurus for axis from the Collins English Thesaurus
An axis is an imaginary line through the middle of something.