Barrow--a mound of earth over a burial, from an old English word for a hill
Cairn--a mound of stones heaped up over a burial, or a memorial or boundary marker
Capstone--the stone which forms the roof of a burial chamber or cist
Causewayed camp-- a Neolithic enclosure surrounded by one or more ditches interrupted by numerous 'causeways', with banks on the inside of the ditches
Chambered tomb-- Neolithic tomb with one or more stone burial chambers covered over by a mound
Cist--a stone coffin or a pit excavated in rock and used for a burial, usually covered over by a cairn or barrow
Dolmen--a group of huge upright stones with a capstone on top, the remains of a Neolithic chambered tomb
Fogou--underground passage, hiding place or store cellar, found in Cornwall
Henge-- Neolithic or Bronze Age circular enclosure surrounded by one or more banks and ditches, with the ditch usually being inside the bank, sometimes with a stone circle, setting of posts or wooden roundhouses inside. Not all stone circles are henges, as not all have a surrounding bank and ditch.
Hillfort--stronghold on a hill, defended by earthworks
Hut circle--the stone foundations or lower courses of a prehistoric hut;
The upper part may have been built of timber or stone.
Kist--see cist
Long barrow--an oblong shaped mound of earth over a Neolithic burial
Megalithic--made of very large stones; the megalithic yard (2.72ft) is a unit of measurement believed to have been used in the construction of stone circles.
Menhir--old word for a single standing stone
Quoit--Cornish word for a dolmen
Round barrow--circular burial mound
Tolmen--holed stone