[ trʌɪ'ʌmvə , 'trʌɪəmvə ]
■ noun ( plural ~s or ~i -rʌɪ ) (in ancient Rome) each of three public officers jointly responsible for overseeing any of the administrative departments.
Derivatives
~al adjective
Origin
L., orig. as ~i (plural), back-form. from trium virorum 'of three men', genitive of tres viri .