英日字典: coat-of-mail_shell
    The coat-of-mail_shell has 1 Senses.
-  polyplacophore, chiton, coat-of-mail shell, sea cradle
-  ヒザラガイ
- primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates
- 8つの石灰板で覆われた外套膜を持つ細長く左右相称な原始海産軟体動物