rotunda

noun

1. a building having a circular plan and a dome
   Terjemahkan ke Indonesia sumber: wordnet30
2. a large circular room
   Terjemahkan ke Indonesia sumber: wordnet30
3. A round building; especially, one that is round both on the outside and inside, like the Pantheon at Rome. Less properly, but very commonly, used for a large round room; as, the rotunda of the Capitol at Washington.
   Terjemahkan ke Indonesia sumber: webster1913