verb dispose of (something useless or old).
— synonyms: trash, scrap
noun the remains of something that has been destroyed or broken up.
— synonyms: debris, dust, rubble, detritus
noun any of various Chinese boats with a high poop and lugsails.
Examples
“junk fish; junk trees”
“(On Facebook, a record collector wrote:) "The newest addition to my Annette Hanshaw collection, I junked this beautiful flawless E-copy within walking distance from my house."”