Definitions
1.NounA conduit made of pipes used to convey water, gas or petroleum, etc."An oil pipeline has been opened from the Caspian Sea."
2.NounA channel (either physical or logical) by which information is transmitted sequentially (that is, the first information in is the first information out)."3D images are rendered using the graphics pipeline."
3.NounA system or process through which something is conducted."A new version of the software is in the pipeline, but has not been rolled out."
4.NounA widely observed pattern of development in personal interests, circumstances, or opinions."Many who grew up in foster homes in the county have fallen victim to the foster-care-to-homelessness pipeline."
5.NounA continuous, contributing source of benefits, talent, or innovation.
6.NounThe inside of a wave that a surfer is riding, when the wave has started closing over it.
7.VerbTo design (a microchip etc.) so that processing takes place in efficient stages, the output of each stage being fed as input to the next.
8.VerbTo convey by a system of pipes.
9.VerbTo lay a system of pipes through.