It is the name of an asteroid, which has also been called 1910 KU and Teramo. It means it is located in the middle of the water, between two rivers or between rivers.
Interamnia-this is the asteroid discovered by astronomer V. Cerulli on October 2, 1910-
Interamnia: Asteroid number 704, of the series. -(Interamnia with I, uppercase).