Definition of pied-piping in English:

pied-piping

noun

Linguistics
  • The placing of a preposition immediately before a relative or interrogative pronoun, rather than later in the clause.

Origin

1960s. From pied + piping, after Pied Piper, with allusion to the way in which the charmed rats closely followed the piper in the story.

Pronunciation

pied-piping

/ˌpʌɪdˈpʌɪpɪŋ/