junk

Short definition from Wiktionary

Noun

1. 1
   Miscellaneous items of little value, especially discarded or unwanted items.
2. 2
   Material or resources of poor quality or low value, especially resources that lack commercial value.
3. 3
   Nonsense; gibberish.
4. 4
   Any narcotic drug, especially heroin.
5. 5
   The genitalia, especially of a male.
6. 6
   Salt beef.
7. 7
   Pieces of old cable or cordage, used for making gaskets, mats, swabs, etc., and when picked to pieces, forming oakum for filling the seams of ships.
8. 8
   A fragment of any solid substance; a thick piece; a chunk.
9. 9
   A Chinese sailing vessel.

Verb

1. 1
   To throw away.
2. 2
   To find something for very little money (meaning derived from the term junkshop)

Proper noun

1. 1
   A surname.