口こう腔くう液えきMeanings1nounoral fluidMedical and technical term for fluid from the mouth, including saliva and other oral secretions. Used in clinical, forensic, and research contexts.口こう腔くう液えきからウイルスが検けん出しゅつされた。The virus was detected in oral fluid.この検けん査さでは口こう腔くう液えきを採さい取しゅします。This test collects oral fluid.