くらげ
水母
 
の
ほね
骨

expression

Rare, idiomatic expression.
  1. something that one would not expect to exist, something exceedingly rare, jellyfish bones.

Variations

Pronunciation Kanji Kana Is Common
くらげ
水母
 
の
ほね
骨
水母の骨 くらげのほね

Contained Kanji Breakdown

water
みず スイ み (1st, N5)
mother
はは ボ も (2nd, N5)
skeleton, bone, remains
ほね コツ (6th, N2)
cut flesh from bones, (剮 variant)
カ ケ わ.ける
mouth
くち コウ ク (1st, N4)
upside-down box radical (no. 13)
キョウ ケイ (Kentei 1)
month, moon
つき ゲツ ガツ (1st, N5)