Illustrated Companion to the Latin Dictionary/Antecessores

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

ANTECESSO'RES. Light cavalry soldiers who formed the advanced guard of an army on the march; they cleared the way for the main body, and selected the positions for a halt or a camp. Hirt. Bell. Afr. 12. Suet. Vit. 17.