That moves forward rapidly; fast-moving, fast. Also raking-looking adj. Cf. racking, adj.1

a courser. Cf. stirrer, n. 3b, stirring, n. 3b.

Of horses; esp. in later use: Moving or travelling at a rapid pace and in a smart and vigorous manner. (Cf. spank, v.2 1b.)

Rushing, brisk.

(a) (of a horse) having or characterized by a rapid gait;†(b) English regional (Lancashire) (of a person) hasty, reckless, thoughtless (obsolete).