Denshi Jisho — Online Japanese dictionary

与党 よとう ruling party; government party; party in power; government
Common word, Noun, No-adjective 
与党議員 よとうぎいん lawmakers from the ruling parties; government member of parliament
Noun 
与党連立 よとうれんりつ ruling coalition
Noun 

You can also

Look up kanji details for 与党.

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