ˈtrēgə, -rīgə noun
( plural tri·gae -rēˌgī, -rīˌjē)
Etymology: Late Latin, contraction of Latin trijuga, feminine of trijugus of a team of three, threefold, from tri- + jugum yoke, team — more at yoke
1. : an ancient Roman 3-horse chariot
2. : a 3-horse team (as for a triga)