Illustrated Companion to the Latin Dictionary/Angusticlavius

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. 

ANGUSTICLA'VIUS. One who is entitled to wear upon his tunic the ornament called clavus angustus, a distinctive badge of the equestrian order. Suet. Otho, 10. [CLAVUS.]