An iron crow. Of old, a pike; thus in Arthur and Merlin
"Gavelokes also thicke flowe
So gnattes, ichil avowe."
·noun A spear or dart. II. Gavelock ·noun An iron crow or lever. ...
Webster's Dictionary of the English Language
an iron bar to make holes for fixing stakes. N. ...
A glossary of provincial and local words used in England by Francis Grose