貝べいごま・べえごま・ばいごま・ベーゴマ・ベイゴマ貝独楽表記・読み:べいごま・べえごま・ばいごま・ベーゴマ・ベイゴマ1spinning top (traditionally made of Japanese Babylon shell)名詞word usually written using kana alone札へ残す語をコピー