I. pip ‧ ing 1 /ˈpaɪpɪŋ/ BrE AmE noun [uncountable]
1 . a thin tube of cloth, usually with string inside, sewn onto clothing, furniture etc as decoration
2 . several pipes, or a system of pipes, used to send liquid or gas in or out of a building
II. piping 2 BrE AmE adverb
piping hot piping hot liquid or food is very hot:
piping hot coffee