- 沿岸流 yán'ànliú longshore currentAn ocean current that flows parallel to the shoreline, typically caused by waves striking the coast at an angle; also known as [[顺岸流|順岸流|shun4 an4 liu2]].
- 沿岸地区 yán'àndìqū coastal areacoastal region; areas along the shore or coast
- 沿岸贸易 yán'ànmàoyì coastal tradeTrading or shipping conducted along a coast between ports within the same country; cabotage