Noun

(en noun)

The person, place or thing from which something (information, goods, etc.) comes or is acquired.

* {{quote-book, year=2006, author=(Edwin Black)

, title=Internal Combustion, chapter=2 citation , passage=More than a mere source of Promethean sustenance to thwart the cold and cook one's meat, wood was quite simply mankind's first industrial and manufacturing fuel.}}

* {{quote-magazine, date=2013-07-06, volume=408, issue=8843, page=68, magazine=(The Economist)

, title= The rise of smart beta , passage=Investors face a quandary. Cash offers a return of virtually zero in many developed countries; government-bond yields may have risen in recent weeks but they are still unattractive. Equities have suffered two big bear markets since 2000 and are wobbling again. It is hardly surprising that pension funds, insurers and endowments are searching for new sources of return.}}

Spring; fountainhead; wellhead; any collection of water on or under the surface of the ground in which a stream originates.

* {{quote-magazine, date=2013-08-16, author= John Vidal

, volume=189, issue=10, page=8, magazine=(The Guardian Weekly) , title= Dams endanger ecology of Himalayas , passage=Most of the Himalayan rivers have been relatively untouched by dams near their sources . Now the two great Asian powers, India and China, are rushing to harness them as they cut through some of the world's deepest valleys.}}

A reporter's informant.

(computing) Source code.

(electronics) The name of one terminal of a field effect transistor (FET).

Noun

(pack) (en noun)

A bundle made up and prepared to be carried; especially, a bundle to be carried on the back; a load for an animal; a bale, as of goods.

The horses carried the packs across the plain.

A number or quantity equal to the contents of a pack; hence, a multitude; a burden.

A pack of lies.

A number or quantity of connected or similar things; a collective.

A full set of playing cards; also, the assortment used in a particular game; as, a euchre pack.

We were going to play cards, but nobody brought a pack .

A number of hounds or dogs, hunting or kept together.

* 2005 , John D. Skinner and Christian T. Chimimba, The Mammals of the Southern African Subregion?

African wild dogs hunt by sight, although stragglers use their noses to follow the pack .

A number of persons associated or leagued in a bad design or practice; a gang;

a pack of thieves or knaves.

A group of Cub Scouts.

A shook of cask staves.

A bundle of sheet-iron plates for rolling simultaneously.

A large area of floating pieces of ice driven together more or less closely.

The ship had to sail round the pack of ice.

An envelope, or wrapping, of sheets used in hydropathic practice, called dry pack, wet pack, cold pack, etc., according to the method of treatment.

(slang): A loose, lewd, or worthless person.

(snooker, pool) A tight group of object balls in cue sports. Usually the reds in snooker.

(rugby) The team on the field.