These are the meanings of the letters PEPI when you unscramble them.
            
                
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                    Pipe (n.)
                    
                        A boatswain's whistle, used to call the crew to their duties;   also, the sound of it.
                     
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                    Pipe (n.)
                    
                        A cask usually containing two hogsheads, or 126 wine gallons;   also, the quantity which it contains.
                     
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                    Pipe (n.)
                    
                        A passageway for the air in speaking and breathing; the   windpipe, or one of its divisions.
                     
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                    Pipe (n.)
                    
                        A roll formerly used in the English exchequer, otherwise   called the Great Roll, on which were taken down the accounts of debts   to the king; -- so called because put together like a pipe.
                     
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                    Pipe (n.)
                    
                        A small bowl with a hollow steam, -- used in smoking tobacco,   and, sometimes, other substances.
                     
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                    Pipe (n.)
                    
                        A wind instrument of music, consisting of a tube or tubes of   straw, reed, wood, or metal; any tube which produces musical sounds;   as, a shepherd's pipe; the pipe of an organ.
                     
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                    Pipe (n.)
                    
                        An elongated body or vein of ore.
                     
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                    Pipe (n.)
                    
                        Any long tube or hollow body of wood, metal, earthenware, or   the like: especially, one used as a conductor of water, steam, gas,   etc.
                     
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                    Pipe (n.)
                    
                        The bagpipe; as, the pipes of Lucknow.
                     
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                    Pipe (n.)
                    
                        The key or sound of the voice.
                     
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                    Pipe (n.)
                    
                        The peeping whistle, call, or note of a bird.
                     
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                    Pipe (v. i.)
                    
                        To become hollow in the process of solodifying; -- said of   an ingot, as of steel.
                     
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                    Pipe (v. i.)
                    
                        To call, convey orders, etc., by means of signals on a   pipe or whistle carried by a boatswain.
                     
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                    Pipe (v. i.)
                    
                        To emit or have a shrill sound like that of a pipe; to   whistle.
                     
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                    Pipe (v. i.)
                    
                        To play on a pipe, fife, flute, or other tubular wind   instrument of music.
                     
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                    Pipe (v. t.)
                    
                        To call or direct, as a crew, by the boatswain's whistle.
                     
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                    Pipe (v. t.)
                    
                        To furnish or equip with pipes; as, to pipe an engine, or   a building.
                     
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                    Pipe (v. t.)
                    
                        To perform, as a tune, by playing on a pipe, flute, fife,   etc.; to utter in the shrill tone of a pipe.