sternpost

[ sturn-pohst ]

/ ˈstɜrnˌpoʊst /

an upright member rising from the after end of a keel; a rudderpost or propeller post.

Also called body post.

Origin of sternpost

First recorded in 1570–80; stern² + post¹

Outside, copper shows wear and tear more quickly near the stem and sternpost and along the water-line.

Yachting Vol. 1 |Various.
The ship's in splendid condition; there's next to nothing wrong with her but the garboard streak and the sternpost.

The Wrecker |Robert Louis Stevenson and Lloyd Osbourne
In another house was the sternpost of a vessel, probably part of a wreck driven across from the coast of Africa.

Notable Voyagers |W.H.G. Kingston and Henry Frith
After 1854 it was taken on deck from stem-head to sternpost, and certain deductions made for rake.

Yachting Vol. 1 |Various.

Her frames were of bent elm, the sternpost and knees of tea-tree, while her keel was of tallow-wood.

Yachting Vol. 2 |Various.

sternpost

/ (ˈstɜːnˌpəʊst) /

nautical the main upright timber or structure at the stern of a vessel