What is the meaning of Iter?

A passage, especially the passage between the third and fourth ventricles in the brain; the cerebral aqueduct.

procedure, course

a route

1. a journey, trip
2. a march
3. a course
4. a path; a road

   a journey, trip

   a march

   a course

   a path; a road

   a court circuit

   a passage

   third-person singular indicative aorist of itmek

   Source: wiktionary.org