Definition of 宇牟須牟骨牌 (うんすんかるた)

noun
unsun karuta (card game popular in the Muromachi and early Edo periods)(usually kana)
Other readings:
ウンスンカルタ《宇牟須牟骨牌》[1][2]
うんすんカルタ《宇牟須牟骨牌》[1][2]
Notes:
  1. ateji (phonetic) reading
  2. word containing out-dated kanji
Related Kanji
eaves, roof, house, heaven
pupil (eye), moo (cow sound)
ought, by all means, necessarily
skeleton, bone, remains, frame
label, signboard, medal, mahjong tiles