<p><strong>Noun</strong></p><ul><li>a long tubular conduit</li><li>a series of pipes</li><li>often underground</li><li>with pumps and valves for flow control</li><li>used to transport crude oil</li><li>natural gas</li><li>water</li><li>etc.</li><li>especially over great distances</li><li>a route</li><li>a channel</li><li>a process along which something passes or is provided at a steady rate</li><li>means</li><li>system</li><li>flow of supply or supplies</li><li>a channel of information</li><li>especially one that is direct, privileged, or confidential</li><li>inside source</li><li>reliable contact</li></ul><p><strong>Verb</strong></p><ul><li>pipe·lined</li><li>pipe·lin·ing</li><li>to convey by or as if by pipeline</li><li>to pipeline oil from the far north to ice-free ports</li><li>to pipeline graduates into the top jobs</li></ul>