DICT.TW Dictionary Taiwan

 Stern, a. Being in the stern, or being astern; as, the stern davits.
 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.
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 Chas·er n.
 1. One who or that which chases; a pursuer; a driver; a hunter.
 2. Naut. Same as Chase gun, esp. in terms bow chaser and stern chaser. See under Bow, Stern.

 stern chaser
      n : a naval gun able to fire astern at a ship in chase