Illustrated Companion to the Latin Dictionary/Clavarium

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. 

CLAVA'RIUM. An allowance of money made to the Roman soldiery, for the purpose of providing nails (clavi caligares) for their boots. Tac. Hist. iii. 50. and CLAVUS, 5.