Skeg

1. n. The after part of the keel of a vessel, to which the rudder is attached.
2. n. A sort of wild plum.
3. n. A kind of oats.

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.