Modius | Webster's Dictionary of the English Language

modius
mŏdĭus, ii (gen. plur. modiūm: qui CCCC. modium quinque milia, Cic. Verr. 2, 3, 36, § 83: modiorum, ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
modius
modius ī, m modus, a corn-measure, measure, peck (containing sixteen sextarii, or one sixth of a G...

An Elementary Latin Dictionary