skeg

Noun

WORDNET DICTIONARY

skeg(n = noun.artifact) Array - a brace that extends from the rear of the keel to support the rudderpost; Array

is a part of after part, poop, quarter, stern, tail

skeg, n. [Prov. E., also a stump of a branch, a wooden peg; cf. Icel. skgr a wood, Sw. skog. Cf. Shaw.].

A sort of wild plum. Holland. [1913 Webster]
A kind of oats. Farm. Encyc. [1913 Webster]
The after part of the keel of a vessel, to which the rudder is attached. [1913 Webster]

skeg, n.
1 a fin underneath the rear of a surfboard.
2 the after part of a vessel's keel or a projection from it.

Etymology

ON skeg beard, perh. via Du. scheg(ge)