肉にく柱ちゅう

noun

adductor muscle (of a bivalve)

Technical term for the muscle that closes the shell of bivalves such as clams and scallops. The more common word is 貝柱 (かいばしら), which often refers to the edible part.

See also: 貝柱

• ホタテの肉にく柱ちゅうは大おおきくて食たべごたえがある。

  The adductor muscle of a scallop is large and satisfying to eat.

• 二に枚まい貝がいの肉にく柱ちゅうは貝かい殻がらを閉とじる働はたらきをする。

  The adductor muscle of a bivalve functions to close the shell.