Denshi Jisho — Online Japanese dictionary

よく 1: wing;
2: Chinese "Wings" constellation (one of the 28 mansions);
3: () (Archaism) counter for birds or bird wings
Noun 
つばさ wing
Common word, Noun 
よくか 1: underwing (esp. of an aircraft);
2: under one's wing; under one's control
Noun, No-adjective 
よくか samara; winged seed (ash, maple, etc.)
Noun 
よっか 1: underwing (esp. of an aircraft);
2: under one's wing; under one's control
Noun, No-adjective 
よっか samara; winged seed (ash, maple, etc.)
Noun 
よくがた airfoil profile; aerofoil profile
Noun 
よくさん supporting; countenance; assistance
Noun, Suru verb 
よくとう wing (of a building)
Noun 
よくよく prudent; very careful
Na-adjective, Noun 
よくよく prudent; very careful
Na-adjective, Noun 
よくろう transept
Noun 
宿 たすきぼし Chinese "Wings" constellation (one of the 28 mansions)
Noun 
よくきょう speculum (bright patch on the wings of ducks)
Noun 
よくじょう wing shape
Noun, No-adjective 
よくちょう wing length (esp. of a bird); wingspan (esp. of an aircraft)
Noun 
よくりゅう pterosaur
Noun 
形類 よくけいるい Pteriomorphia (subclass of bivalve molluscs)
Noun 
甲類 よくこうるい pteraspids (extinct armoured jawless fishes)
Noun 
鰓類 よくさいるい pterobranchs (hemichordates of class Pterobranchia)
Noun 
手目 よくしゅもく Chiroptera (animal order comprising the bats)
Noun 
面積 よくめんせき wing area
Noun 
を張る つばさをはる to spread (one's) wings
Expression, Godan verb with ru ending 
状針 よくじょうしん butterfly needle; winged needle
Noun 
を広げる つばさをひろげる to spread one's wings
Expression, Ichidan verb 

You can also

Look up kanji details for 翼.

Try a Yahoo Jisho search for 翼 .
Try a Goo Jisho search for 翼 .
Try a Google search for 翼 .