a long, narrow excavation made in the ground by digging, as for draining or irrigating land; trench.
any open passage or trench, as a natural channel or waterway.
verb (used with object)
to dig a ditch or ditches in or around.
to derail (a train) or drive or force (an automobile, bus, etc.) into a ditch.
to crash-land on water and abandon (an airplane).
to get rid of: I ditched that old hat of yours.
to escape from: He ditched the cops by driving down an alley.
to absent oneself from (school or a class) without permission or an acceptable reason.
verb (used without object)
to dig a ditch.
(of an aircraft or its crew) to crash-land in water and abandon the sinking aircraft.
Slang. to be truant; play hooky.

before 900; 1940–45 for def 5, 1885–90 for def 6, 1955–60 for def 9; Middle English dich, Old English dīc; cognate with German Teich. See dike1

ditchless, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
ditch (dɪtʃ)
1.  a narrow channel dug in the earth, usually used for drainage, irrigation, or as a boundary marker
2.  any small, natural waterway
3.  (Irish) a bank made of earth excavated from and placed alongside a drain or stream
4.  informal either of the gutters at the side of a tenpin bowling lane
5.  last ditch a last resort or place of last defence
6.  to make a ditch or ditches in (a piece of ground)
7.  (intr) to edge with a ditch
8.  slang to crash or be crashed, esp deliberately, as to avoid more unpleasant circumstances: he had to ditch the car
9.  slang (tr) to abandon or discard: to ditch a girlfriend
10.  slang to land (an aircraft) on water in an emergency
11.  slang (US) (tr) to evade: to ditch the police
[Old English dīc; related to Old Saxon dīk, Old Norse dīki, Middle High German tīch dyke, pond, Latin fīgere to stick, see dyke1]

Ditch (dɪtʃ)
the Ditch an informal name for the Tasman Sea

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. dic "ditch, dike," a variant of dike (q.v.). Verbal sense of "abandon, discard" is first recorded in Amer.Eng. 1899. Related: Ditched; ditching. Last ditch (1715) refers to the last line of military defenses.
Online Etymology Dictionary, © 2010 Douglas Harper
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Slang Dictionary

ditch definition

  1. tv.
    to dispose of someone or something; to abandon someone or something. : The crooks ditched the car and continued on foot.
  2. tv. & in.
    to skip or evade someone or something. : Pete ditched class today.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
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American Heritage
Idioms & Phrases


see last-ditch effort.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Example sentences
Build a ditch along the road and you end up with a wetlands with a whole new
Often barely three feet wide and half that deep, the lowly acequia is a
  hand-dug, lovingly maintained ditch.
To ensure good drainage, mark off rows and ditch between them to form planting
Next time you take the kids out for breakfast at your local greasy spoon, ditch
  the paper football.
Idioms & Phrases
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