Denshi Jisho — Online Japanese dictionary

脇 わき 1: armpit; under one's arm; side; flank;
2: beside; close to; near; by;
3: aside; to the side; away; out of the way;
4: off-track; off-topic;
5: deuteragonist; supporting role;
6: (Abbreviation) second verse (in a linked series of poems)
Common word, Noun 
小脇 こわき under one's arm; (in) the armpit
Noun 
脇 かたわら 1: side; edge; beside; besides; nearby;
2: (Adverbial noun) while (doing)
No-adjective, Adverbial noun, Temporal noun 
関脇 せきわけ sumo wrestler of the third highest rank
Common word, Noun 
口脇 くちわき edges of the mouth
Noun 
床脇 とこわき section of a room next to the alcove (where shelves are often placed)
Noun 
右脇 みぎわき right armpit; right side
Noun 
胸脇 むなわき sides of the chest
Noun, Obscure term 
両脇 りょうわき both sides
Noun 

You can also

Look up kanji details for *脇.

Try a Yahoo Jisho search for *脇 .
Try a Goo Jisho search for *脇 .
Try a Google search for *脇 .