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sternson

American  
[sturn-suhn] / ˈstɜrn sən /

noun

  1. a knee in a timber-framed vessel, reinforcing the angle between the keelson and the sternpost.


sternson British  
/ ˈstɜːnsən /

noun

  1. nautical a timber scarfed into or bolted to the sternpost and keelson at the stern of a wooden vessel Compare stemson

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sternson

First recorded in 1840–50; stern 2 + (keel)son