Definify.com
Webster 1913 Edition
Skeg
Skeg
,Noun.
 [Prov. E., also a stump of a branch, a wooden peg; cf. Icel. 
sk[GREEK]gr 
a wood, Sw. skog
. Cf. Shaw
.] 1. 
A sort of wild plum. 
[Obs.] 
Holland.
 2. 
pl. 
A kind of oats. 
Farm. Encyc.
 3. 
(Naut.) 
The after part of the keel of a vessel, to which the rudder is attached. 
Webster 1828 Edition
Skeg
SKEG
,Noun.
  Definition 2025
skeg
skeg
English
Noun
skeg (plural skegs)
- (nautical) A fin-like structure to the rear of the keel of a vessel that supports the rudder and protects a propeller.
 - (nautical) A similar construction on a boat that acts as a keel.
 - A fin that serves to stabilize a surfboard.
 -  (obsolete) A sort of wild plum.
- (Can we find and add a quotation of Holland to this entry?)
 
 -  (obsolete) A kind of oat.
-  1842, Cuthbert William Johnson, The farmer's encyclopædia, and dictionary of rural affairs
- SKEGS. A kind of oat, sometimes cultivated as a crop in Nottinghamshire. It is the Avena stipiformis of Linnaeus.
 
 
 -  1842, Cuthbert William Johnson, The farmer's encyclopædia, and dictionary of rural affairs
 - (Australia, slang) A surfer; a person who leads a surfing lifestyle.
 
Translations
Rudder-supporting structure