plural axes
ˈækˌsiːz 
1
: the imaginary straight line that something (such as the Earth) turns around
the Earth's axis of rotation
the spin of the Earth on its axis
2
: a straight line that divides a shape evenly into two parts
called also axis of symmetry
Cite this Entry
“Axis.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/axis. Accessed 16 Jun. 2026.
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