小脑 xiǎonǎo cerebellum Definitions Defs Origin Strokes Stroke Words Sentences Sents 小 xiǎo adjective small small; tiny; few; minor; in area, volume, quantity, or power, being less than average or less than the object of comparison; opposite of 大 dà脑 腦 nǎo noun brain The brain of a person or animal; the organ in the head that controls thought and movement.