1.  other (place, thing, person);  the rest;  et al.
Adverb
Noun
Usually written in kana
3.  nothing except;  nothing but;  nothing apart from;  nothing aside from;  no choice (but to)
as 〜ほか〜ない, usu. after より or the dictionary form of a verb
4.  besides...;  in addition to...
often as ほかに