Definition of axis for Students. plural axes \ˈak-ˌsēz\. 1 : a straight line about which a body or a geometric figure rotates or may be thought of as rotating. the earth's axis. read more
The plural of axis is axes, as in: The earth's axis is tilted slightly from the vertical. Some planets' axes are horizontal rather than vertical. We measure certain things with two axes at right angles to each other e.g. length and height. read more
The irregular plural form of axis is axes (pronounced ax-ees). Note: The regular plural form of ax (or axe) is also axes (pronounced ax-is). read more
Axis definition is - a straight line about which a body or a geometric figure rotates or may be supposed to rotate. How to use axis in a sentence. read more