贝柱 Traditional form: 貝柱 Pinyin (reading): bèizhù Definitions: the cylindrical adductor muscle of bivalve shellfish such as scallops Characters: 贝 - sea shell; money, currency 柱 - to lean on; pillar, post, support Traditional characters: 貝 - sea shell; money, currency 柱 - to lean on; pillar, post, support