Spanker

1. n. A small coin.
2. n. One who spanks, or anything used as an instrument for spanking.
3. n. 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.
4. n. One who takes long, quick strides in walking; also, a fast horse.
5. n. Something very large, or larger than common; a whopper, as a stout or tall person.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.