septem-vir or VIIvir virī, m
one of a board of seven, one of seven commissioners: voluitne fieri septemvir?—Usu. plur, a board of seven commissioners, septemvirs: VIIvirūm acta sustulimus.
septemvir, v. septemviri. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
·noun One of a board of seven men associated in some office. ...
Webster's Dictionary of the English Language