Trigisamum

Dictionary of Greek and Roman Geography

TRIGISAMUM a town of Noricum, mentioned only in the Peuting. Table, as situated not far from the mouth of the river Trigisamus ( Trasen), which flows into the Danubius. It still bears the name of Traismaur. (See Muchar, Norikum, vol. 1. p. 269.)
[L.S]