Meaning : Any undertaking that is easy to do.
Example :
Marketing this product will be no picnic.
Synonyms : breeze, child's play, cinch, duck soup, piece of cake, pushover, snap, walkover
Meaning : Any informal meal eaten outside or on an excursion.
Meaning : Eat alfresco, in the open air.
Example :
We picnicked near the lake on this gorgeous Sunday.