from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of one or more lines about which a geometric figure is symmetric
from the GNU version of the Collaborative International Dictionary of English
- n. any line in a plane figure which divides the figure into two such parts that one part, when folded over along the axis, shall coincide with the other part.
- n. See under Axis.
Sorry, no etymologies found.