Definition of 鬼野芥子 (おにのげし)

noun
prickly sow-thistle (Sonchus asper), sharp-fringed sow thistle, spiny sow thistle, spiny-leaved sow thistle(usually kana)
Other readings:
オニノゲシ
Related Kanji
ghost, devil
plains, field, rustic, civilian life
mustard, rape, dust, trash, rubbish
child, sign of the rat, 11PM-1AM, first sign of Chinese zodiac