The Collaborative International Dictionary
Medicornu
Medicornu \Med`i*cor"nu\, n.; pl. Medicornua. [NL., fr. L.
medius middle + cornu horn.] (Anat.)
The middle or inferior horn of each lateral ventricle of the
brain.
--B. G. Wilder.
Wiktionary
medicornu
n. (context anatomy English) The middle or inferior horn of each lateral ventricle of the brain.