an agricultural implement used for cutting, lifting, turning over, and partly pulverizing soil.
any of various implements resembling or suggesting this, as a kind of plane for cutting grooves or a contrivance for clearing away snow from a road or track.
Type Founding. (formerly) an instrument for cutting the groove in the foot of type.
Bookbinding. a device for trimming the edges of the leaves by hand.
(initial capital letter) Astronomy.
the constellation Ursa Major.
the Big Dipper.
verb (used with object)
to turn up (soil) with a plow.
to make (a furrow) with a plow.
to tear up, cut into, or make a furrow, groove, etc. in (a surface) with or as if with a plow (often followed by up ): The tractor plowed up an acre of trees.
to clear by the use of a plow, especially a snowplow (sometimes followed by out ): The city's work crews were busily plowing the streets after the blizzard.
to invest, as capital (often followed by into ): to plow several hundred million into developing new oil fields.
to reinvest or reutilize (usually followed by back ): to plow profits back into new plants and equipment.
to cleave the surface of (the water): beavers plowing the pond.
to make (a way) or follow (a course) in this manner: The yacht plowed an easterly course through the choppy Atlantic.
Slang: Vulgar. to have sexual intercourse with.
verb (used without object)
to till the soil or work with a plow.
to take plowing in a specified way: land that plows easily.
to move forcefully through something in the manner of a plow (often followed by through, into, along, etc.): The cop plowed through the crowd, chasing after the thief. The car plowed into our house.
to proceed in a slow, laborious, and steady manner (often followed by through ): The researcher plowed through a pile of reports.
to move through water by cleaving the surface: a ship plowing through a turbulent sea.
Verb phrases
plow under,
to bury under soil by plowing.
to cause to disappear; force out of existence; overwhelm: Many mom-and-pop groceries have been plowed under by the big chain stores.
Also, especially British, plough.

before 1100; Middle English plouh, plugh(e), plough(e), Old English plōh; cognate with German Pflug plow

plowable, adjective
plowability, noun
plower, noun
overplow, verb
replow, verb (used with object), replowed, replowing.
subplow, noun
subplow, verb
unplowable, adjective
unplowed, adjective
well-plowed, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To plower
World English Dictionary
plough or plow (plaʊ)
1.  an agricultural implement with sharp blades, attached to a horse, tractor, etc, for cutting or turning over the earth
2.  any of various similar implements, such as a device for clearing snow
3.  a plane with a narrow blade for cutting grooves in wood
4.  (in agriculture) ploughed land
5.  put one's hand to the plough to begin or undertake a task
vb (when intr, usually foll by through) (foll by through)
6.  to till (the soil) with a plough
7.  to make (furrows or grooves) in (something) with or as if with a plough
8.  to move (through something) in the manner of a plough: the ship ploughed the water
9.  to work at slowly or perseveringly
10.  (intr; foll by into or through) (of a vehicle) to run uncontrollably into something in its path: the plane ploughed into the cottage roof
11.  (tr; foll by in, up, under, etc) to turn over (a growing crop, manure, etc) into the earth with a plough
12.  slang (Brit) (intr) to fail an examination
[Old English plōg plough land; related to Old Norse plogr, Old High German pfluoc]
plow or plow
[Old English plōg plough land; related to Old Norse plogr, Old High German pfluoc]
'plougher or plow
'plower or plow

plow (plaʊ)
n, —vb
the usual US spelling of plough

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

O.E. plog, ploh "plow, plowland (a measure of land)," possibly from Scand. (cf. O.N. plogr "plow"), from P.Gmc. *plogo- (cf. O.Fris. ploch, M.L.G. ploch, M.Du. ploech, O.H.G. pfluog). O.C.S. plugu, Lith. plugas "plow" are Germanic loan-words, as is probably L. plovus, plovum "plow," a word said by Pliny
to be of Rhaetian origin. Replaced O.E. sulh, cognate with L. sulcus "furrow." As a name for the Big Dipper, it is recorded from 1513. The verb is first recorded c.1420. Plowshare is first recorded c.1380.
Online Etymology Dictionary, © 2010 Douglas Harper
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