noun
shell-matching game with waka poems
Historical game using clam shells inscribed with waka stanzas; related to 歌ガルタ. The term is now primarily encountered in descriptions of traditional pastimes.
See also: 歌ガルタ
歌貝は、貝殻に和歌を書いて合わせる遊びです。
Utagai is a game where you match clam shells with waka poems written on them.