D defs.my
Entry 1 sense Webster, 1913

Guinea-pig director

· Guin·ea-pig· di·rec·tor · IPA
01 A director (usually one holding a number of directorships) who serves merely or mainly for the fee (in England, often a guinea) paid for at…
  1. 1.
    A director (usually one holding a number of directorships) who serves merely or mainly for the fee (in England, often a guinea) paid for attendance.[Colloq.]