pipingPronunciation: /ˈpʌɪpɪŋ/Translate piping | into Italian | into Spanish Definition of piping noun [mass noun] 1lengths of pipe made of metal, plastic, or other materials. 2thin lines of icing or cream, used to decorate cakes and desserts. 3thin cord covered in fabric, used to decorate clothing or soft furnishings and reinforce seams. 4the action or art of playing a pipe or pipes. 5 [count noun] a cutting of a pink or similar plant taken at a joint. adjective [attributive] high-pitched:the piping voice of a little girlpiping in other Oxford dictionaries Definition of piping in the US English dictionary