膝皿貝、火皿貝、石鼈、爺が背
ひざらがい、じいがせ、ヒザラガイ
hizaragai
JMdict entry #2088080
- noun (common) (futsuumeishi) word usually written using kana alone chiton (any marine mollusk of the class Polyplacophora); sea cradle
- noun (common) (futsuumeishi) Japanese chiton (Acanthopleura japonica)