'Passant' definitions:

Definition of 'passant'

adjective

In walking position with right foreleg raised

From: GCIDE

Passant \Pas"sant\, a. [F., p. pr. of passer. See Pass, v. i.]
1. Passing from one to another; in circulation; current. [Obs.] [1913 Webster]
Many opinions are passant. --Sir T. Browne. [1913 Webster]
2. Curs?ry, careless. [Obs.] [1913 Webster]
On a passant rewiew of what I wrote to the bishop. --Sir P. Pett. [1913 Webster]
3. Surpassing; excelling. [Obs.] --Chaucer. [1913 Webster]
4. (Her.) Walking; -- said of any animal on an escutcheon, which is represented as walking with the dexter paw raised. [1913 Webster] Passe passe