親おや骨ぼね

noun

outer ribs of a folding fan

Refers to the two thick ribs at each end of a folding fan. A specialized term used in contexts related to traditional fans.

• 扇せん子すの親おや骨ぼねが折おれてしまった。

  The outer rib of the folding fan broke.

noun

outer frame of a lattice door

Refers to the outer frame of a lattice door (格子戸). A specialized architectural term.

• 古ふるい家いえの格こう子し戸どの親おや骨ぼねが傷いたんでいる。

  The outer frame of the lattice door in the old house is damaged.