vertical circle
noun
: a great circle of the celestial sphere whose plane is perpendicular to that of the horizon see azimuth illustration
Cite this Entry
“Vertical circle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vertical%20circle. Accessed 29 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share