from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A prehistoric enclosure in the form of a circle or circular arc defined by a raised circular bank and a circular ditch usually running inside the bank, with one or more entrances leading into the enclosed open space.
from The Century Dictionary and Cyclopedia
- n. A Middle English form of hinge.
- n. The heart, liver, and lights of an animal.
- n. See the extract.
Back-formation from Stonehenge, although it is not strictly a henge. (Wiktionary)