What is the meaning of Junk?

Discarded or waste material; rubbish, trash, garbage.

A collection of miscellaneous items of little value.

Any narcotic drug, especially heroin.

The genitalia, especially of a male.

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.

A fragment of any solid substance; a thick piece; a chunk.

Material or resources of a kind lacking commercial value.

Nonsense; gibberish.

To throw away.

To find something for very little money (meaning derived from the term junkshop)

A Chinese sailing vessel.

young

young

Alternative form of jonk

young

dark

Source: wiktionary.org