From Japanese-English FreeDict Dictionary ver. 0.1:
[ichi1] 屁 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, [ichi1] おなら /o̞nˈäɽä/, へ /hˈe̞/
1. (noun (common) (futsuumeishi))
Note: word usually written using kana alone (usually 屁 is へ, and おなら is in kana)
wind, gas, fart
2. (へ)
something worthless, something not worth considering