leading-staff

The Century Dictionary: The Encyelopedic Lexicon of the English Language · 1887 · p. 728

(1é’ding-staf), m. Milit., the staff or baton of a field-marshal. [Rare.] After this action I preferred was, And chosen city-captain at Mile-End, With hat and feather, and with leading-stajf. Beau. and Fi., Knight of Burning Pestle, v. 3.