脑肿瘤 nǎozhǒngliú brain tumor Definitions Defs Origin Strokes Stroke Words Sentences Sents 脑 腦 nǎo noun brain The brain of a person or animal; the organ in the head that controls thought and movement.肿瘤 腫瘤 zhǒngliú noun tumor tumor; an abnormal growth of tissue that can be benign or malignant