Sling1  —n. 1 strap etc. Used to support or raise a thing. 2 bandage supporting an injured arm from the neck. 3 strap etc. For firing a stone etc. By hand. —v. (past and past part. Slung) 1 colloq. Throw. 2 suspend with a sling.  sling one's hook slang go away. [old norse or low german or dutch]