
1) Fort in Ireland 2) Type of Fortification
Found on
https://www.crosswordclues.com/clue/ringfort

Ringforts are circular fortified settlements that were mostly built during the Early Middle Ages (up until ~1000 CE). They are found in Northern Europe, especially in Ireland. There are also many in south Wales and in Cornwall, where they are called `Rounds`. Ringforts come in many sizes and may be made of stone or earth. Earthen ringforts would.....
Found on
http://en.wikipedia.org/wiki/Ringfort
No exact match found.