a small shellfish that can be eaten 鸟蛤（可食用的有壳小水生动物） Word OriginMiddle English: from Old French coquille ‘shell’, based on Greek konkhulion, from konkhē ‘conch’.
Idioms
warm the cockles (of somebody’s heart)
- (British English)
to make somebody feel happy or sympathetic 使人内心感到高兴（或同情） Doesn’t that story just warm the cockles of your heart? 那个故事难道没有温暖你的心吗？