pip·ing / ˈpīping/ • n. 1. lengths of pipe, or a network of pipes, made of metal, plastic, or other materials.2. ornamentation on food consisting of lines of icing, whipped cream, etc. ∎  thin cord covered in fabric, used to decorate clothing or soft furnishings and reinforce seams.3. the action or art of playing a pipe or pipes.• adj. 1. (of a voice or sound) high-pitched.2. (of a time) peaceful; characterized by the playing of pipes.PHRASES: piping hot (of food or water) very hot.

piping To force a smooth mixture (e.g. icing or mashed potato) through a narrow nozzle to form fancy shapes to decorate a dish.