a system or network of pipes in a building or machine

• pipes collectively in a structure

a narrow corded trim sewn along edges of clothing

• decorative edging on upholstery or garments

icing squeezed from a piping bag

• lines or decorations of piped icing

the sound produced by pipes or flutes

• the act of playing tunes on pipes

high-pitched in tone

• shrill-sounding

supplying or carrying something by means of pipes

• installing or laying pipes
• present participle of pipe

sending program output as input to another via a pipe

• connecting commands with the pipe character

decorating a cake by squeezing icing through a bag

• forming shapes by piping frosting