紋もん本ぽん

noun

family crest register

A book or register containing family crests (家紋), used for reference or record-keeping.

• 古ふるい紋もん本ぽんを調しらべて、自じ分ぶんの家いえの家か紋もんを確かく認にんした。

  I looked through an old family crest register and confirmed my family's crest.