Definition of stump speech in English:

stump speech

noun

mainly North American
  • A speech repeatedly delivered by a politician during their campaign for election or re-election to public office.

    • ‘he stuck to his standard stump speech, describing his humble upbringing and his call for a new generation of leadership’

Origin

Early 19th century with reference to the historical use of a large tree stump as a platform for a speaker (see stump (sense 4 of the noun)).