spiracle
/ˈspaɪərəkl/noun
- Zoology an external respiratory opening, especially each of a number of pores on the body of an insect, or each of a pair of vestigial gill slits behind the eye of a cartilaginous fish【动】喷水孔, （节肢动物的）气门, 气孔; （软骨鱼的）腮孔。
派生词
spiracular
adjective词源
late 18th cent.: from Latin spiraculum, from spirare 'breathe'.