Denshi Jisho — Online Japanese dictionary

赤ん坊 あかんぼ baby; infant
Noun 
赤ん坊 あかんぼう baby; infant
Common word, Noun 

You can also

Look up kanji details for 赤ん坊.

Try a Yahoo Jisho search for 赤ん坊 .
Try a Goo Jisho search for 赤ん坊 .
Try a Google search for 赤ん坊 .