—n. 1. the natural fluid, fluid content, or liquid part that can be extracted from a plant or one of its parts, esp. of a fruit: orange juice. 2. the liquid part or contents of plant or animal substance.
3. the natural fluids of an animal body: gastric juices. 4. essence, strength, or vitality: He's still full of the juice of life. 5. any extracted liquid.
6. Slang. a. electricity or electric power.
b. gasoline, fuel oil, etc., used to run an engine.
7. Slang.alcoholic liquor.
8. Slang. a. money obtained by extortion.
b. money loaned at excessive and usually illegal interest rates.
c. the interest rate itself.
9. Slang. a. influence in the right or convenient place, esp. as exerted for selfish or illegal gain.
b. gossip or scandal.
10. stew in one's own juice. See stew (def. 5).
—v.t. to extract juice from.
—v.i. 1. Slang.to drink alcohol heavily: to go out juicing on Saturday night. 2. juice up, a. to add more power, energy, or speed to; accelerate.
b. to make exciting or spectacular: They juiced up the movie by adding some battle scenes. c. to strengthen; increase the effectiveness of: to juice up the nation's economy.