Denshi Jisho — Online Japanese dictionary

昨年 さくねん last year
Common word, Adverbial noun, Temporal noun 
昨年 さくねんど previous year (fiscal, academic, etc.)
Common word, Adverbial noun 
昨年 さくねんらい since last year
Common word, Adverbial noun 
昨年 さくねんなつ summer of last year
Noun 
昨年度の卒 さくねんどのそつ graduated last year
Noun 

You can also

Look up kanji details for 昨年.

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