dolmen

As a noun dolmen

is (tomb consisting of a capstone supported by two or more upright stones).

As an adjective undefined is

lacking a definition or value.

As nouns the difference between dolmen and cairn

is that dolmen is a prehistoric megalithic tomb consisting of a capstone supported by two or more upright stones, most having originally been covered with earth or smaller stones to form a barrow while cairn is a rounded or conical heap of stones erected by early inhabitants of the British Isles, apparently as a sepulchral monument.

As nouns the difference between cist and dolmen

is that cist is a small receptacle for sacred utensils carried in festivals in ancient Greece while dolmen is a prehistoric megalithic tomb consisting of a capstone supported by two or more upright stones, most having originally been covered with earth or smaller stones to form a barrow.

As nouns the difference between dolmen and trilith

is that dolmen is a prehistoric megalithic tomb consisting of a capstone supported by two or more upright stones, most having originally been covered with earth or smaller stones to form a barrow while trilith is a trilithon.

As nouns the difference between dolmen and trilithon

is that dolmen is a prehistoric megalithic tomb consisting of a capstone supported by two or more upright stones, most having originally been covered with earth or smaller stones to form a barrow while trilithon is a structure consisting of two stone pillars supporting a horizontal stone.

As nouns the difference between dolmen and monolith

is that dolmen is a prehistoric megalithic tomb consisting of a capstone supported by two or more upright stones, most having originally been covered with earth or smaller stones to form a barrow while monolith is a large single block of stone, used in architecture and sculpture.

As nouns the difference between dolmen and tumulus

is that dolmen is a prehistoric megalithic tomb consisting of a capstone supported by two or more upright stones, most having originally been covered with earth or smaller stones to form a barrow while tumulus is a mound of earth, especially one placed over a prehistoric tomb; a barrow.

As nouns the difference between dolmen and dolmens

is that dolmen is (tomb consisting of a capstone supported by two or more upright stones) while dolmens is .

As a noun dolmen

is a prehistoric megalithic tomb consisting of a capstone supported by two or more upright stones, most having originally been covered with earth or smaller stones to form a barrow.

As an adjective monolithic is

of or resembling a monolith.

As a noun dolmen

is (tomb consisting of a capstone supported by two or more upright stones).

As a verb dolven is

(obsolete).