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1. A pipe used to transport liquids or gases
   "a pipeline runs from the wells to the seaport";
   - line
    
2. The process being of being developed or delivered
   "new projects in the pipeline"
    
3. Gossip spread by spoken communication
   - grapevine, word of mouth
    
4. (computing) a series of modules used in sequence to process information

1. Convey by a system of pipes

Derived forms: pipelining, pipelined, pipelines

Type of: comment, goss [Brit, informal], gossip, pipage, pipe, piping, scuttlebutt [N. Amer, informal]

Encyclopedia: Pipeline