Definition of pone per vadium in English:

pone per vadium

Pronunciation /ˌpəʊneɪ pəː ˈvadɪəm/

noun

(also pone per vadios)
historical, rare Law
  • A writ requiring the sheriff to secure sureties for the appearance of the defendant.

    The form pone per vadium is found in legal dictionaries, but pone per vadios is found in contextual examples, chiefly in the 18th century, in both English and legal Latin.

Origin

Early 17th century; earliest use found in John Cowell (1554–1611), civil lawyer. From post-classical Latin pone per vadium from classical Latin pōne + per through + post-classical Latin vadium pledge.