The Collaborative International Dictionary
Larvate
Larvate \Lar"vate\, a. [L. larva mask.] Masked; hence, concealed; obscure; -- applied in medicine to doubtful cases of some diseases; as, larvate pneumonis; larvate epilepsy.
Wiktionary
larvate
a. (cx medicine English) Concealed; obscure; being a doubtful case of disease.