supporting timber of a ship
supporting timber of a ship
• (n.) A piece of curved timber bolted to the stem, keelson, and apron in a ship`s frame near the bow.
Stem'son noun [ See Stem , noun , and Keelson , and confer Sternson .] (Shipbuilding) A piece of curved timber bolted to the stem, keelson, and apron in a ship's frame near the bow. 
a curved timber in a wooden bow, scarfed at its lower end to the keelson.