'Skeg' definitions:

Definition of 'skeg'

From: WordNet
noun
A brace that extends from the rear of the keel to support the rudderpost

Definition of 'Skeg'

From: GCIDE
  • Skeg \Skeg\, n. [Prov. E., also a stump of a branch, a wooden peg; cf. Icel. sk?gr a wood, Sw. skog. Cf. Shaw.]
  • 1. A sort of wild plum. [Obs.] --Holland. [1913 Webster]
  • 2. pl. A kind of oats. --Farm. Encyc. [1913 Webster]
  • 3. (Naut.) The after part of the keel of a vessel, to which the rudder is attached. [1913 Webster]