411 REFERENCE · Wiktionary
Heel Stone
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
right|thumb|upright|Southwest face of Heel Stone in May 2016
Alternative forms
en Heelstone
Proper noun
1 heel stone
A single large block of sarsen standing within the Avenue outside the entrance of the Stonehenge earthwork.