rudderpost

Nautical, in a screw ship, an after stern-post, on which the rudder is hung, abaft of the propeller.

The shank of a rudder, having the blade at one end and the attachments for operating it at the other.

The shank of a rudder, having the blade at one end and the attachments for operating it at the other.

a vertical post at the forward edge of a rudder that enables the rudder to pivot