Zoology One of the paired, flexible, segmented sensory appendages on the head of an insect, a myriapod, or a crustacean functioning primarily as an organ of touch.

• 触角，触须：昆虫、多足纲节肢动物或甲壳类动物头部的一对灵活的管状感觉器官之一，主要为触觉器官