What does "passant" mean?

Passant: Curs [Obs.] On a passant rewiew of what I wrote to the bishop. Sir P. Pett.

Additional senses

  1. 2.Surpassing; excelling. [Obs.] Chaucer.
  2. 3.(Her.) Walking; -- said of any animal on an escutcheon, which is represented as walking with the dexter paw raised.

Sources