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general::
Phrase(s): pipe something into some place [and] pipe something in
1. Lit. to conduct a liquid or a gas into some place through a pipe. • An excellent delivery system piped oxygen into every hospital room. • They piped in oxygen to every room. • They piped it in. 2. Fig. to bring music or other sound into a place over wires. • They piped music into the stairways and elevators. • The elevators were nice except that the management had piped in music.
McGrawhill's American Idioms And Phrasal Verbs