ロリカロリカMeanings1nounloricabiologyA biological term referring to a protective shell or case in certain protozoans and rotifers.原げん生せい動どう物ぶつのロリカは、外がい敵てきから身みを守まもる役やく割わりを果はたす。The lorica of protozoans serves to protect them from predators.