Simson line

noun

: the line joining the feet of the perpendiculars let fall from any point on the circumcircle of a triangle upon the sides of the triangle

Word History

Etymology

after Robert Simson †1768 Scottish mathematician

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now