[かがみびらき, kagamibiraki](n) (1) cutting the New Year's rice cake (January 11th); (2) traditional breaking of a sake cask at weddings, receptions, etc.[Add to Longdo]
[かがみもち, kagamimochi](n) mirror-shaped mochi, usu. a pair stacked in order of size with a daidai on top, used as a New Year offering, then cut and eaten on January 11.[Add to Longdo]
[もぐらうち, mogurauchi](n) driving away moles by hitting the ground with straw bundles prepared by children (esp. as an annual event on January 15th)[Add to Longdo]