Courant

Current, Coursant, Cursant

 a goat courant       a stag courant

Running where the animal appears fesswise with forelegs and hind legs outstretched. This term is not normally applied to beasts of prey and is sometimes termed at speed when describing a running stag.

 In his course: This term is applied to a beast when represented running at full strain, as it is sometimes called.

See  Quadrupeds