The Collaborative International Dictionary of English v.0.48:
Stern \Stern\, a.
   Being in the stern, or being astern; as, the stern davits.
   [1913 Webster]
   Stern board (Naut.), a going or falling astern; a loss of
      way in making a tack; as, to make a stern board. See
      Board, n., 8
   (b) .
   Stern chase. (Naut.)
   (a) See under Chase, n.
   (b) A stern chaser.
   Stern chaser (Naut.), a cannon placed in a ship's stern,
      pointing backward, and intended to annoy a ship that is in
      pursuit.
   Stern fast (Naut.), a rope used to confine the stern of a
      ship or other vessel, as to a wharf or buoy.
   Stern frame (Naut.), the framework of timber forms the
      stern of a ship.
   Stern knee. See Sternson.
   Stern port (Naut.), a port, or opening, in the stern of a
      ship.
   Stern sheets (Naut.), that part of an open boat which is
      between the stern and the aftmost seat of the rowers, --
      usually furnished with seats for passengers.
   Stern wheel, a paddle wheel attached to the stern of the
      steamboat which it propels.
      [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Sternson \Stern"son\, n. [See Stern, n., and cf. Stemson.]
   (Naut.)
   The end of a ship's keelson, to which the sternpost is
   bolted; -- called also stern knee.
   [1913 Webster]