释义 |
lateral line noun 1. a. : a longitudinal line along each side of the body of most fishes that is usually distinguished by modified and often differently colored scales and marks the position and orifices of the lateral line organ b. : a narrow longitudinal tract in either side of the body wall of various oligochaete worms that is made up of the cell bodies of the circular muscle layer — see fish illustration 2. : lateral line organ 1 |