main+pipe

  • 131boatswain's pipe — noun or boatswain s whistle also boatswain s call 1. : a silver whistle used by a boatswain s mate (as in relaying orders to the crew or giving orders to winch and crane operators) 2. : the note or notes sounded on the boatswain s pipe * * * a… …

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  • 132soil pipe — noun drain that conveys liquid waste from toilets, etc. • Hypernyms: ↑drain, ↑drainpipe, ↑waste pipe * * * noun : a pipe for liquid wastes carrying human excrement * * * a pipe carrying wastes from toilets and sometimes from waste pipes. Cf.… …

    Useful english dictionary