Any fixed upright support. Also, those posts of wood or iron which, being placed pillar-wise, support the waist-trees and guns.
Those which support the hold-beams amidships, and rest on the kelson. ...
The Sailor's Word-Book
Strong iron stanchions in a square-sterned vessel, connecting the main-rail with the taffrail; used ...
Slender bars of iron or wood, the lower ends of which are fixed in iron sockets at proper distances....