The keel and keelson of a ship.
Effort, usually physical.
The reverse side; the side that is not normally seen.
A large shallow vat; a cistern, tub, or trough, used by brewers, distillers, dyers, picklers, gluemakers, and others, for mixing or cooling wort, holding water, hot glue, etc.
The part of something that goes last.
The spine and associated tissues.
The backrest, the part of a piece of furniture which receives the human back.
A ferryboat.
The roof of a horizontal underground passage.
Large and attractive buttocks.
The inside margin of a page.
The edge of a book which is bound.
In some team sports, a position behind most players on the team.
A support or resource in reserve.
The rear of the body, especially the part between the neck and the end of the spine and opposite the chest and belly.
A non-alcoholic drink (often water or a soft drink), to go with hard liquor or a cocktail.
Among leather dealers, one of the thickest and stoutest tanned hides.
Area behind, such as the backyard of a house.
The side of a blade opposite the side used for cutting.
The side of any object which is opposite the front or useful side.
That which is farthest away from the front.
The part of a piece of clothing which covers the back.
Upper part of a natural object which is considered to resemble an animal's back.
Before now; ago.
In a direction opposite to the usual or desired direction of movement or progress, physically or figuratively.
So as to reverse direction and return.
Away from someone or something; at a distance.
Away from the front or from an edge.
In a manner that impedes.
In a reciprocal manner; in return.
So as shrink, recede or move aside, or cause to do so.
To a later point in time. See also put back.
Towards, into or in the past.
To or in a previous condition or place.
Earlier, ago.
In a direction opposite to that in which someone or something is facing or normally pointing.
To go in the reverse direction.
To lay out a second, smaller anchor to provide additional holding power.
To push or force backwards.
To adjoin behind; to be at the back of.
To support.
To stand still behind another dog which has pointed.
To brace the yards so that the wind presses on the front of the sail, to slow the ship.
To change direction contrary to the normal pattern; that is, to shift anticlockwise in the northern hemisphere, or clockwise in the southern hemisphere.
To make a back for; to furnish with a back.
To write upon the back of, possibly as an endorsement.
To sign or endorse (a warrant, issued in another county, to apprehend an offender).
To draw from behind the back [+accusative = a knife etc.] (as also back out).
To row backward with (oars).
To carry an infant on one's back.
Pronounced with the highest part of the body of the tongue toward the back of the mouth, near the soft palate (most often describing a vowel).
Not current.
Situated away from the main or most frequented areas.
At or near the rear.
Returned or restored to a previous place or condition.
Moving or operating backward.
In arrears; overdue.
The condition of a sailboat being pushed abruptly to horizontal, with the mast parallel to the water surface.
An act of knocking down or the condition of being knocked down.
A shelter erected for use as a temporary dressing room.
A collection of parts required to assemble a product, typically manufactured in one region and exported elsewhere for assembly.
a short pass played downwards, for example from the head onto someone's feet.
A genetically modified organism that carries one or more genes in its chromosomes that have been made less active or had their expression reduced.
The use of a reagent such as an oligonucleotide with sequence complementary to an active gene or its mRNA transcript, to interfere with the expression of said gene.
An overwhelming blow.
To employ the knockdown technique
To be formed into a head by upsetting in fastening.
reduced in price, originally to a price below which an article would not be sold by the auctioneer
powerful enough to overwhelm or knock down
Capable of being taken apart for packing or removal.