Any of several small insectivorous mammals of the family Erinaceidae of Europe,Africa,and Asia,having the back covered with dense,erectile spines and characteristically rolling into a ball for protection.

• 刺猬猬家族中任何一种小的食虫性哺乳动物，产于欧洲，非洲和亚洲，背上长有浓密、竖立的刺，其特点是出现了危险便卷成球状进行自我保护