What exactly is “width” in geometry?

I had never thought I would ever wonder what “width” is until my 12-year old daughter came home one day and told me that her math teachers (not just one but two) told her that “width” in geometry is the vertical side of a rectangle. That to me was like saying up is down and down is up. How could…

geometry - Algorithm: calculate width of the square rhombus that

Geometry Terms

Width

You can measure the width of the lake using a surveying technique

Depth

Dimensions - Geometry - Types, Applications, and Examples

Geometry for Carpenters

What‌ ‌are‌ ‌dimensions‌ ‌in‌ ‌math?‌ ‌

11.6 Lane geometry :: OpenDRIVE®

Bodies of Constant Width: An Introduction to Convex Geometry with