posterior nasal spine
noun
: the nasal spine that is formed by the union of processes of the two palatine bones and projects between the choanae
Cite this Entry
“Posterior nasal spine.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/posterior%20nasal%20spine. Accessed 30 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share