say it: PAHY-ping
piping is a noun and adverb meaning "a thin strip of covered cord used to edge hems". It carries 4 recorded senses.
a thin strip of covered cord used to edge hems
a long tube made of metal or plastic that is used to carry water or oil or gas etc.
playing a pipe or the bagpipes
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for piping come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.