axis

1 ENTRIES FOUND:
axis /ˈæksəs/ noun
plural axes /ˈækˌsiːz/
axis
/ˈæksəs/
noun
plural axes /ˈækˌsiːz/
Britannica Dictionary definition of AXIS
[count]
1 
: the imaginary straight line that something (such as the Earth) turns around
2 
: a straight line that divides a shape evenly into two parts
— called also axis of symmetry