noun
Miscellaneous items of little value, especially discarded or unwanted items.
(attributive) Material or resources of poor quality or low value, especially resources that lack commercial value.
Nonsense; gibberish.
(slang) Any narcotic drug, especially heroin.
(slang) The genitalia, especially of a male.
(nautical) Salt beef.
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.
(dated, countable) A fragment of any solid substance; a thick piece; a chunk.
verb
(transitive, informal) To throw away.
(transitive, informal) To find something for very little money (meaning derived from the term junkshop)
noun
(nautical) A Chinese sailing vessel.