One part of an echinoderm including a pair of ambulacra in distinction from the contrary side trivium which includes three ambulacra
- One part of an echinoderm, including a pair of ambulacra, in difference from contrary part (trivium), which includes three ambulacra.
(letter.) One side of an echinoderm, including a couple of ambulacra, in distinction from reverse side (trivium), which include three ambulacra.
It seems possible that the road at first led to Tusculum, that it was then prolonged to Labici, and later still became a road for through traffic; it may even have superseded the Via Latina as a route to the S.E., for, while the distance from Rome to their main junction at Ad Bivium (or to another junction at Compitum Anagninum) is practically identical, the summit level of the former is 725 ft.