Definitions for "Trilithon"
Keywords:  lintel, stonehenge, upright, slab, atop
A monument consisting of three stones; especially, such a monument forming a kind of doorway, as among the ancient Celts.
A stone arch made from 2 upright slabs of rock or wood, with one lying atop. Commonly used as an altar.
an arrangement of three stones, two uprights with a lintel placed at their top in a kind of inverted "U" shape