picnic

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A meal eaten outdoors, as on an excursion.
• noun Slang An easy task or pleasant experience.
• noun A smoked section of pork foreleg and shoulder.
• intransitive verb To go on or participate in a picnic.

from The Century Dictionary.

• noun Something undeniably good or easy; a ‘soft thing’; a snug berth; a treat; an easy job.
• noun A lively, difficult, or awkard experience.
• noun Formerly, an entertainment in which every partaker contributed his share to the general table; now, an entertainment or pleasure-party the members of which carry provisions with them on an excursion, as from a city to some place in the country: also used adjectively: as, a picnic party; picnic biscuits (a kind of small sweet biscuits).
• To attend a picnic party; take part in a picnic meal: as, we picnicked in the woods.

from the GNU version of the Collaborative International Dictionary of English.

• noun Formerly, an entertainment at which each person contributed some dish to a common table; now, an excursion or pleasure party in which the members partake of a collation or repast (usually in the open air, and from food carried by themselves).
• intransitive verb To go on a picnic, or pleasure excursion; to eat in public fashion.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A meal eaten outdoors or in another informal setting.
• noun An easy or pleasant task.
• verb To eat a picnic.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun any informal meal eaten outside or on an excursion
• verb eat alfresco, in the open air
• noun any undertaking that is easy to do
• noun a day devoted to an outdoor social gathering