What does "cannei" mean?

Cannei: Skillful; knowing; capable. Sir W. Scott.

Additional senses

  1. 2.Cautious; prudent; safe.. Ramsay.
  2. 3.Having pleasing of useful qualities; gentle. Burns.
  3. 4.Reputed to have magical powers. Sir W. Scott. No canny, not safe, not fortunate; unpropitious. [Scot.]

Sources