Definition of party-lining in US English:

party-lining

noun

  • The action of imposing or following the party line.

Origin

1930s; earliest use found in ‘Josephine Bell’ (1897–1987) (real name D. B. C. Ball). From party line + -ing.

Pronunciation

party-lining

/ˌpɑːtiˈlʌɪnɪŋ/