Gare | Webster's Dictionary of the English Language

gare
to cause or force ; I'll gar or gare him to do it, I'll force him to do it. Northumb. and Scots. ...

A glossary of provincial and local words used in England by Francis Grose
gare
See gair-fowl. Also, the Anglo-Saxon for ready. (See yare.) ...

The Sailor's Word-Book
gare-brain'd
heedless. S. ...

A glossary of provincial and local words used in England by Francis Grose