flap

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flap

1. Aviation a movable surface fixed to the trailing edge of an aircraft wing that increases lift during takeoff and drag during landing
2. Surgery a piece of tissue partially connected to the body, either following an amputation or to be used as a graft

flap

[flap]
(aerospace engineering)
Any control surface, such as a speed brake, dive brake, or dive-recovery brake, used primarily to increase the lift or drag on an airplane, or to aid in recovery from a dive.
Any rudder attached to a rocket and acting either in the air or within the jet stream.

flap

flap
i. Auxiliary controls built into the wings and used to increase the camber. Flaps may be on the leading or the trailing edges. Trailing edge flaps reduce the stalling angle, whereas leading edge flaps increase the stalling angle when referred to the chord line of the original nonflapped airfoil. Flaps permit aircraft to fly at a lower speed, permitting better control on takeoff and a lower approach speed for landing. Flaps also increase drag, permitting aircraft to descend at a steeper angle. There are various kinds of flaps, such as splits, fowlers, zaps, and slotted.
ii. Short for cowl flaps. See cowl flap.
iii. The up-and-down movement of the tip of a helicopter rotor blade. See flapping.

FLAP

(1)
A symbolic mathematics package for IBM 360.

["FLAP Programmer's Manual", A.H. Morris Jr., TR-2558 (1971) US Naval Weapons Lab].

[Sammet 1969, p. 506].

flap

(storage, jargon)
To unload a DECtape (so it goes flap, flap, flap). Old-time hackers at MIT tell of the days when the disk was device 0 and microtapes were 1, 2, etc. and attempting to flap device 0 would instead start a motor banging inside a cabinet near the disk.

The term is used, by extension, for unloading any magnetic tape. See also macrotape. Modern cartridge tapes no longer actually flap, but the usage has remained.

The term could well be re-applied to DEC's TK50 cartridge tape drive, a spectacularly misengineered contraption which makes a loud flapping sound, almost like an old reel-type lawnmower, in one of its many tape-eating failure modes.

flap

(networking)

FLAP

The communications protocol used by AOL Instant Messenger (AIM). FLAP runs over TCP/IP and provides the header format for transmitting IM commands and data. It includes the SNAC data type, which is the primary data structure transmitted between clients and servers. See OSCAR.
References in periodicals archive ?
Giving patients "better contouring, better blood supply of the skin flap and better nerve sensibility", Dr Rangaswamy says LABP leads to fewer complications and nowadays some surgeons have no need to use drains, like in classical abdominoplasty surgery.
The anterior artery supplies the upper two-thirds of the skin tissue of scrotal septal skin flap, and the posterior scrotal arteries supplies the lower one-third of the scrotal septal skin flap.
Nasal barbel distal tip not reaching anterior margin of orbit, maxillary barbel posterior margin with thin fringing skin flap, tip sharply pointed and extending beyond origin of pectoral fin.
10) A skin flap is composed of both skin and subcutaneous tissue that remains attached to its blood supply via a pedicle that is the base of the flap.
Imaging findings include a sunken skin flap with herniation of the brain away from the craniectomy defect, which results in subfalcine or transtentorial herniation.
While the Lazy Lateral incision is longer than the traditional transverse incision, the increased access greatly decreases the mechanical stress placed on the sub-dermal plexus of the preserved native skin which may improve skin flap health and viability.
When skin grafts do not provide sufficient coverage of a defect, a skin flap may be used.
In order to adequately cover the excised region, we then elevated the skin flap.
Eventually she went under the knife where surgeons snipped part of the skin flap that attaches the tongue to the mouth, and thus extending it by a full centimetre further.
A skin flap was raised from the left forearm of Shivaji along with the artery, veins and nerves.
Once this happens, the skin flap will be completely detached from his left leg.