old or discarded articles that are considered useless or of little value

the cellars are full of junk

we need to clear out our junk room

heroin

you do anything for junk—cheat, lie, steal

the lump of oily fibrous tissue in a sperm whale's head, containing spermaceti

a man's genitals

discard or abandon unceremoniously

sort out what could be sold off and junk the rest

a flat-bottomed sailing vessel of a kind typical of China and the East Indies, with a prominent stem and lugsails