Denshi Jisho — Online Japanese dictionary

のだ the expectation is that ...; the reason is that ...; the fact is that ...; it is that ...
Common word, Expression 
野点 のだ 1: open-air tea ceremony;
2: aristocrat taking a break during a trip in a palanquin;
3: something standing in the open
Noun, Suru verb 
野太刀 のだ large war sword (carried across the back)
Noun 
野点て のだ 1: open-air tea ceremony;
2: aristocrat taking a break during a trip in a palanquin;
3: something standing in the open
Noun, Suru verb 
野立て のだ 1: open-air tea ceremony;
2: aristocrat taking a break during a trip in a palanquin;
3: something standing in the open
Irregular kanji usage, Noun, Suru verb 

You can also

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