A person running ahead, especially a member of the advance guard of an army.
Example sentencesExamples
Why, then, don't the avant-couriers who praise the piece as one of Schoenberg's greatest take note of this outbreak of tonality?
The avant-courier rode at full speed into the court.
General Platen's avant-courier now arrived with the intelligence of his approach.
Landseer, however, instead of following his avant-courier in an hour, arrived in a few minutes after him.
He had served as an artilleryman during the war of Independence, and retained enough of his old military habits to make a most invaluable avant-courier.