1. hey; youat sentence-end; indicates certainty, emphasis, contempt, request, warning, etc.
2. heyafter a noun; used when calling out to someone
  • こいびと恋人
  • われ
  • かえ帰れ
  • Lover, come back to me.
3. hey; hold onin mid-sentence; used to catch one's breath or get someone's attention
4. yo; hey
Wikipedia definition
5. Yo (kana)よ, in hiragana, or ヨ in katakana, is one of the Japanese kana, each of which represents one mora. The hiragana is made in two strokes, while the katakana in three. Both represent [jo jo]. When small and preceded by an -i kana, this kana represents not a separate sound but a modification of that of another
Read “Yo (kana)” on English Wikipedia
Read “よ” on Japanese Wikipedia
Read “Yo (kana)” on DBpedia


to talk about this word.