From WordNet (r) 2.0 (August 2003) [wn]:
juice
n 1: the liquid part that can be extracted from plant or animal
tissue
2: energetic vitality; "her creative juices were flowing"
3: electric current; "when the wiring was finished they turned
on the juice"
4: any of several liquids of the body; "digestive juices" [syn:
succus]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Juice \Juice\ (j[=u]s), n. [OE. juse, F. jus broth, gravy,
juice, L. jus; akin to Skr. y[=u]sha.]
The characteristic fluid of any vegetable or animal
substance; the sap or part which can be expressed from fruit,
etc.; the fluid part which separates from meat in cooking.
[1913 Webster]
An animal whose juices are unsound. --Arbuthnot.
[1913 Webster]
The juice of July flowers. --B. Jonson.
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The juice of Egypt's grape. --Shak.
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Letters which Edward Digby wrote in lemon juice.
--Macaulay.
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Cold water draws the juice of meat. --Mrs.
Whitney.
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From The Collaborative International Dictionary of English v.0.48 [gcide]:
Juice \Juice\ (j[=u]s), v. t.
To moisten; to wet. [Obs.] --Fuller.
[1913 Webster]
From Jargon File (4.4.4, 14 Aug 2003) [jargon]:
juice
n.
The weight of a given node in some sort of graph (like a web of trust
or a relevance-weighted search query). This appears to have been
generalized from google juice, but may derive from black urban
slang for power or a respect. Example: "I signed your key, but I
really don't have the juice to be authoritative."