noun
mochi added to rice gruel on the 15th of the first month
Rare seasonal term referring to a custom of adding mochi to rice gruel on the 15th day of the first lunar month (around the time of the New Year).
「粥柱」は、正月十五日に粥に餅を入れて食べる風習を指す言葉だ。
The word 粥柱 refers to the custom of eating rice gruel with mochi added on the 15th day of the New Year.