back door

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Back Door

1. In business, a slang term describing something unethical. It may also describe the action of circumventing a problem in an unusual (but still ethical) way.

2. Any way to access a computer system other than logging in or using "normal" channels. Programmers often put back doors into their programs, or a hacker may create one.

3. See: Back-Door Listing.

back door

the informal mechanism whereby the BANK OF ENGLAND buys back previously issued TREASURY BILLS in the DISCOUNT MARKET at their ruling market price in order to release money to help the DISCOUNT HOUSES overcome temporary liquidity shortages. This is done as a means of increasing the liquid funds available not only to the discount houses themselves but also to the COMMERCIAL BANKS at prevailing interest rates to enable them to maintain their lending. Compare FRONT DOOR.
References in periodicals archive ?
Despite that introduction, though, I want to clarify that Trap Door is not the anthology for a Transgender 101 course.
'Shakers' | presented by Trap Door Theatre Productions
The trap door, which was just inside the main door of the store, had been present long before Boots took over the building.
String the other end ot me rudder strip through a small hole in the container's lid, and tie it to the trap door as shown in Drawings 1 and 2.
Once again, the trap doors failed to open and Lee was finally taken back to his cell.
"You're a middle manager coordinating everything from lighting to costume design." And let's not forget ensuring that Marley's ghost in A Christmas Carol escapes the stage's trap door without suffocating from dry ice or snagging his chain on the door hinge.
The child crawled onto the conveyor belt next to an unmanned check-in desk and passed through a trap door with the luggage, then through an X-ray machine and out into the luggage hall.
Key features are a 20-inch Teflon-coated stainless steel barrel, black Zytel composition A2 buttstock with trap door assembly, flat top Picatinny rail to accept scope or iron sights, Jerry Miculek muzzle break, JP adjustable three-pound short trigger pull and a carbon fiber forearm.
Each sodium channel has a kind of trap door that opens and closes to let through sodium ions in response to signals from the axon.
The price to see behind the trap door in my costume is the answer to this question: Who about me do you hate the most?
The spider in the left circle is popping out of its "trap door" to catch an insect.
"I'm a bowhunter myself," said Mike Ellig, "and I wanted to make sure the Trap Door was going to work under every possible condition before I offered it for sale.