flight

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flight

(flīt)
1. The motion of an object through air.
2. Escape.
[O.E. flyht]

flight

any locomotion through air, either active or passive (gliding). Active flight is brought about by the movement of wings by muscles as in bats, birds and insects; gliding involves a minimum of muscular effort and is found only in some larger birds and certain mammals adapted for flight, such as the flying lemur or flying fox. In birds, muscles are attached directly to the wings and are of two main types: depressor muscles which produce the downstroke and run from the humerus to the STERNUM, and elevator muscles which produce the upstroke and are attached to the upper surface of the HUMERUS by a tendon which runs through the pectoral girdle to the sternum. In insects such as bees, wasps, flies, beetles and bugs, the muscles raising and lowering the wing are attached to the walls of the thorax (indirect flight muscles) and not to the wings and are called asynchronous fibrillar muscles. Direct flight muscles attached to the wings alter the angle and adjust the wings to the resting position. In other insects, for example, the dragonflies, the flight muscles are called synchronous muscles, being attached directly to the wings. Asynchronous wing beats are much slower than synchronous ones.
References in periodicals archive ?
Breed specifics certainly have a large part to do with why flighty sheep act how they do.
Set in chronological order these sculptures dart and zing from one to another, so that the "progress" they chart seems positively flighty.
Happy and flighty as a girl in love, she leapt around the stage with joy and then, as a presence from beyond the grave, she retained dignity with delicacy.
Gorge has been a bit flighty settling in since Thursday, but they're both well.
Sexy actress Jaime Winstone looked flighty in a pair of butterfly wings.
The Royal (ITV1, 7pm) Flighty nurse Susie Nixon's relationship with handsome hospital boss Adam Carnegie becomes public knowledge, and receptionist Lizzie is shocked to find her ex, builder Nev, admitted onto the wards.
He had a butterfly tattoo that I later realized matched his flighty spirit.
Flighty and single Cristina (Scarlett Johansson) and soon-to-bemarried Vicky (Rebecca Hall) head to Barcelona for the summer where they Taking in the sights of the city, the young women catch the eye of artist Juan Antonio.
Feathers flew after Henry returned to his love nest at Loch Garten, near Aviemore, two weeks ago to find his flighty mate had coupled up with an older rogue male called VS.
Not that there's nothing charming about a lesbian couple debating marriage in a country where it's--gasp--actually legal, or a straight dad trying to hip up his look to impress his gay son, who is obsessed with his flighty biological gay father.
Willis' character, a smirking hit man, figures into the mix, as does a flighty coroner (Lucy Liu, the film's lone bright spot) partial to Slevin's wardrobe, which consists largely of a towel (which isn't so large).
7 Project Runway From the flighty fabulousness of Austin Scarlett to the outrageous snark of winner 3ay HcCarroll, Bravo's fashion reality show had us hooked.