crack

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crack:

see cocainecocaine
, alkaloid drug derived from the leaves of the coca shrub. A commonly abused illegal drug, cocaine has limited medical uses, most often in surgical applications that take advantage of the fact that, in addition to its anesthetic effect, it constricts small arteries,
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What does it mean when you dream about cracks?

Can represent a flaw or weakness. A crack in a dream could be drawing on the meaning of an idiom, such as “papering over the cracks,” “cracking up,” or “falling through the cracks.”

crack

[krak]
(chemistry)
To break a compound into simpler molecules.
(engineering)
To open something slightly, for instance, a valve.
(science and technology)
A fissure.

crack

A building defect consisting of complete or incomplete separation within a single element or between contiguous elements of constructions.

crack

1. a break or fracture without complete separation of the two parts
2. a physical or mental defect; flaw
3. a broken or cracked tone of voice, as a boy's during puberty
4. Slang a processed form of cocaine hydrochloride used as a stimulant. It is highly addictive
5. Obsolete slang a burglar or burglary

crack

To break into. See cracker.
References in periodicals archive ?
These days, many large companies are bringing in outsiders to crack the whip and revitalize moribund corporate cultures.
Elgeyo Marakwet county government will crack the whip on officials leaking classified information to the public, Governor Alex Tolgos warned yesterday.
My suggestion is that the Executive Secretary should crack the whip in behalf of the President and bang heads,' the senator said during the weekly Kapihan sa Manila Bay forum in Malate, Manila.
RAY WILKINS has vowed to make Aston Villa's annual relegation battle a thing of the past - and crack the whip to turn them into a top-10 outfit.
Chidambaram was the first to crack the whip on tardy bureaucrats who, according to him, delayed decisions at the cost of the government's image.
Circumstances will influence the manager's decisions to some extent, but Morgan could also crack the whip, after a dismal show in last weekend's 1-0 home defeat to Airbus UK.
I didn't want to be told what to do, and I wasn't mentally ready to crack the whip," she added.