下毛野しもつけのMeanings1nounJapanese spirea (Spiraea japonica)archaicArchaic name for the plant now commonly called シモツケ (下野). The form 下毛野 is historical and rarely used in modern Japanese.See also: シモツケ (しもつけ)古ふるい文ぶん献けんでは、シモツケのことを「下毛野しもつけの」と記しるすことがある。In old documents, シモツケ is sometimes written as 下毛野.