junk

1 [juhngk]
noun
1.
any old or discarded material, as metal, paper, or rags.
2.
anything that is regarded as worthless, meaningless, or contemptible; trash.
3.
old cable or cordage used when untwisted for making gaskets, swabs, oakum, etc.
4.
Nautical Slang. salt junk.
5.
Baseball Slang. relatively slow, unorthodox pitches that are deceptive to the batter in movement or pace, as knuckleballs or forkballs.
verb (used with object)
6.
to cast aside as junk; discard as no longer of use; scrap.
adjective
7.
cheap, worthless, unwanted, or trashy.

Origin:
1480–90; earlier jonke, of uncertain origin


1, 2. rubbish, litter, debris, refuse.
Dictionary.com Unabridged

junk

2 [juhngk]
noun
a seagoing ship with a traditional Chinese design and used primarily in Chinese waters, having square sails spread by battens, a high stern, and usually a flat bottom.

Origin:
1545–55; < Portuguese junco a kind of sailing vessel < Malay jong, said to be < dialectal Chinese (Xiamen) chûn; compare Guangdong dial. syùhn, Chinese chuán

junk

3 [juhngk]
noun Slang.
1.
narcotics, especially heroin.
2.
the external genitals: I kicked him in the junk.

Origin:
1920–25; perhaps special use of junk1

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
junk1 (dʒʌŋk)
 
n
1.  discarded or secondhand objects, etc, collectively
2.  informal
 a.  rubbish generally
 b.  nonsense: the play was absolute junk
3.  slang any narcotic drug, esp heroin
 
vb
4.  informal (tr) to discard as junk; scrap
 
[C15 jonke old useless rope]

junk2 (dʒʌŋk)
 
n
a sailing vessel used in Chinese waters and characterized by a very high poop, flat bottom, and square sails supported by battens
 
[C17: from Portuguese junco, from Javanese jon; related to Dutch jonk]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

junk
"worthless stuff," 1338, junke "old cable or rope" (nautical), of uncertain origin, perhaps from O.Fr. junc "rush," from L. juncus "rush, reed." Nautical use extended to "old refuse from boats and ships" (1842), then to "old or discarded articles of any kind" (1884). The verb meaning "to throw away as
trash, to scrap" is from 1916. Junkie "drug addict" is attested from 1923, but junk for "narcotic" is said to be older. Junk food is from 1973; junk art is from 1966; junk mail first attested 1954.

junk
"Chinese sailing ship," 1613, from Port. junco, from Malay jong "ship, large boat" (13c.), probably from Javanese djong.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
They found the boards in the wood-closets fine kindling wood, while the pipes
  and faucets were as good as cash at the junk shop.
Recycle your own newspapers, magazine pages, or junk mail as gift wrap.
Don't listen to that official junk, the indicator for recession should be more
  heavily weighted towards unemployment.
The food they do get is overprocessed junk, which will in time make them sick.
Images for junk
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