
1) Ancient Roman architecture 2) Museum in Kent
Found on
https://www.crosswordclues.com/clue/dubris

Dubris or Portus Dubris was a port in Roman Britain on the site of present day Dover, Kent, England. As the closest point to continental Europe and the site of the estuary of the Dour, the site chosen for Dover was ideal for a cross-channel port. The Dour is now covered over for much of its course through the town. In the Roman era, it grew into a...
Found on
http://en.wikipedia.org/wiki/Dubris

archaic or obsolete terms > Places: Dover
Found on
http://www.skyscript.co.uk/glossarytt.html
No exact match found.