quinquennis — Lewis & Short
quinquennis, e, adj.id.,
filia,Plaut. Poen. prol. 85:
Olympias,celebrated every fifth year, quinquennial, Ov. P. 4, 6, 5:
vinum,Hor. S. 2, 8, 47:
oleae,id. ib. 2, 2, 57:
juvenis,Col. 7, 3, 6. —Plur. as subst.: quinquennĭa, ōrum, n., for quinquennālĭa, ium, games celebrated every fifth year, Stat. S. 5, 3, 113.