Definition of 姥烏帽子貝 (おばえぼしがい)

noun
Inversidens brandti (species of freshwater mussel)(usually kana)
Other readings:
オバエボシガイ
Related Kanji
old woman
crow, raven
cap, headgear
child, sign of the rat, 11PM-1AM, first sign of Chinese zodiac
shellfish