'Rudderpost' definitions:

Definition of 'rudderpost'

From: WordNet
noun
A vertical post at the forward edge of a rudder that enables the rudder to pivot [syn: rudderpost, rudderstock]

Definition of 'Rudderpost'

From: GCIDE
  • Rudderpost \Rud"der*post\, n. (Naut.) The shank of a rudder, having the blade at one end and the attachments for operating it at the other. [1913 Webster]