SPANK
Spank, v. i.
Defn: To move with a quick, lively step between a trot and gallop; to move quickly. Thackeray.
SPANKER
Spank"er, n.
1. One who spanks, or anything used as an instrument for spanking.
2. (Naut.)
Defn: The after sail of a ship or bark, being a fore-and-aft sail attached to a boom and gaff; — sometimes called driver. See Illust. under Sail. Totten.
3. One who takes long, quick strides in walking; also, a fast horse. [Colloq.]
4. Something very large, or larger than common; a whopper, as a stout or tall person. [Colloq.] Spanker boom (Naut.), a boom to which a spanker sail is attached. See Illust. of Ship.
SPANKER
Spank"er, n.
Defn: A small coin. [Obs. or Prov. Eng.]