posteriormost
adjective
pos·te·ri·or·most
pō-ˈstir-ē-ər-ˌmōst, pä- 
: farthest back in time, order, or position
the posteriormost portion of the orbit
Cite this Entry
“Posteriormost.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/posteriormost. Accessed 2 Dec. 2025.
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