chordoma
noun
chor·do·ma
kȯr-ˈdō-mə 
plural chordomas also chordomata
-mət-ə
: a malignant tumor that is derived from remnants of the embryonic notochord and occurs along the spine attacking especially the bones at the base of the skull or near the coccyx
Cite this Entry
“Chordoma.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/chordoma. Accessed 31 Oct. 2025.
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