axes
n. countablen. the straight line that runs through the center of a shape or object. You use this word when talking about symmetry or how something is balanced.
n. an imaginary line passing through the center of a geometric figure or physical object, around which it may rotate or be symmetrical.
The circle looks the same on both sides of its axes.
Engineers check the vertical axes of the bridge to ensure it stands straight.
In three-dimensional geometry, the x, y, and z axes define the position of every point in space.
ax + -es, axe + -s
From Latin axēs.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Last updated May 4, 2026