The Collaborative International Dictionary
Praecornu
Praecornu \Pr[ae]*cor"nu\, n.; pl. Pr[ae]cornua. [NL. See
Pre-, and Cornu.] (Anat.)
The anterior horn of each lateral ventricle of the brain.
--B. G. Wilder.
Wiktionary
praecornu
n. (context anatomy English) The anterior horn of each lateral ventricle of the brain.