Denshi Jisho — Online Japanese dictionary

divination sign
Noun 
かじ commentary (on any of the 64 hexagrams in the Book of Changes)
Noun, Obscure term 
けいさん paperweight
Noun 
算冠 けいさんかんむり kanji "kettle lid" radical (radical 8)
Noun 
体糞悪い けったくそわるい extremely vexing
Adjective, Vulgar expression or word 

You can also

Look up kanji details for 卦.

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