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Back,

river, c.600 mi (970 km) long, rising in lakes, Northwest Territories, Canada, and flowing northeast through Nunavut across the tundra to Chantry Inlet. Numerous lakes lie along its course. It is named for Sir George BackBack, Sir George,
1796–1878, British explorer in N Canada. He accompanied Sir John Franklin on arctic expeditions in 1818, 1819–22, and 1824–27. On an expedition (1833–35) to search for the missing John Ross, Back explored the Great Fish River (now Back
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, the first European to descend the river (1834).

What does it mean when you dream about the back?

Because of the dreaming mind’s tendency to literalize metaphors, the back can signify meanings from familiar sayings. For example, in a dream the back may mean “watch your back” (beware of treachery).

back

[bak]
(anatomy)
The part of the human body extending from the neck to the base of the spine.
(graphic arts)
The part of a book where the binding and pages are stitched together.
(mining engineering)
The upper part of any mining cavity.
A joint, usually a strike joint, perpendicular to the direction of working.

back

1. The rear, reverse, unseen, more remote, or less important part of a structure, tool, or object
2. The support for a more prominent or visible element; e.g., the back of wallboard is the surface to be plastered.
3. The top or exposed side of a slate, tile, or the like, in contrast to the bed.
4. The ridge or top of a horizontal member or structure like a joist, rafter, or roof.
5. A principal rafter.
6. The extrados or top surface of an arch, often buried in the surrounding masonry.
7. A low-grade veneer used for the back ply in plywood construction.
8. The wainscoting below the sash frame of a window, extending to the floor.

back

back
backclick for a larger image
backclick for a larger image
i. The curved surface of a propeller blade. It corresponds to the upper surface of the airplane's wing. Also called a blade back.
ii. The back of the power curve, where any decrease in speed results in a disproportional increase in drag. A stage may be reached when even with full power the aircraft may continue to sink. Also referred to as behind the power curve and backside of the power curve.
iii. The top part or the upper surface area of an airplane, especially of an airplane's fuselage, referred to in such contexts as “to fly on its back.”
iv. The back seat (rear cockpit) of a two-seater combat or trainer aircraft.
v. The changing of wind direction in the anti-clock-wise direction. When the wind direction changes in the anticlock-wise direction, it is called backing when the change is clock-wise, it is called veering.

back

1
1. Ball games
a. a mainly defensive player behind a forward
b. the position of such a player
2. the upper surface of a joist, rafter, slate, tile, etc., when in position

back

2
a large tub or vat, esp one used by brewers
References in periodicals archive ?
If it doesn't you will thin or top the ball or if you move back down too much you will strike the ground before the ball.
Broadley didn't back down but Turnbull eventually did.
BEIRUT: Women's rights organization Kafa criticized Wednesday Lebanese President Michel Sleiman for signing an amended version of the domestic violence law, saying it would not back down from achieving full protection for women in the country.
Rather than insist the club's new striker travels all the way to Teesside from Heathrow Airport just to travel back down to Suffolk, the player will make his way directly to the team's overnight base in Ipswich.
Iran 'will not back down over top Opec post' Iran will not back down in its quest for an Iranian head of Opec, the country's new oil minister, Bijan Zanganeh, was quoted by Mehr news agency as saying yesterday.
The new movie "Won't Back Down" opened on Friday amid a flurry of protests and harsh criticism from the American Federation of Teachers, but Maggie Gyllenhaal -- who stars in the film as a tenacious single mother on a crusade against a failing elementary school -- says it's not an anti-union movie.
The youngsters climbed the tree in Glanrafon Park, Llanrwst just after 7.40pm yesterday but none of them were able to get back down.
The political and legislative committees of Hamas's Legislative Council have called on Palestinian Authority President Mahmoud Abbas to back down from his unilateral bid at the United Nations for international recognition of Palestine, reported the pan-Arab daily AL HAYAT on Wednesday.
Summary: BA will not back down in the year-long cabin crew dispute, according to chief executive, Willie Walsh.
"How much do we back down? How many times do we back down?
William's mum, Maria Cope, said: "Not only did he walk all the way up the mountain, but we had to walk all the way back down as well because the weather got quite dangerous and the trains that carry people back down didn't pick us up.
back down : to stop arguing or fighting for something <You just can't back down and let people say I told you so.