[1] : The Collaborative International Dictionary of English v.0.48

banneret \ban"neret\, n.oe. baneret, of. baneret, f. banneret;
   properly a dim. of of. baniere. see banner.
   1913 webster
   1. originally, a knight who led his vassals into the field
      under his own banner; -- commonly used as a title of rank.
      1913 webster

   2. a title of rank, conferred for heroic deeds, and hence, an
      order of knighthood; also, the person bearing such title
      or rank.
      1913 webster

   note: the usual mode of conferring the rank on the field of
         battle was by cutting or tearing off the point of the
         pennon or pointed flag on the spear of the candidate,
         thereby making it a banner.
         1913 webster

   3. a civil officer in some swiss cantons.
      1913 webster

   4. a small banner. --shak.
      1913 webster
see also:
banner 

[2] : WordNet (r) 2.0

banneret
     n : a knight honored for valor; entitled to display a square
         banner and to hold higher command syn: knight banneret,
          knight of the square flag
see also:
knight banneret knight of the square flag 

[3] : Moby Thesaurus II by Grady Ward, 1.0

58 moby thesaurus words for "banneret":
   bayard, dannebrog, don quixote, gawain, jolly roger, lancelot,
   old glory, ritter, sidney, sir galahad, star-spangled banner,
   stars and stripes, union flag, union jack, and blue, bachelor,
   banderole, banner, baronet, black flag, blue ensign, bunting,
   burgee, caballero, cavalier, chevalier, coachwhip, colors,
   companion, ensign, flag, gonfalon, gonfanon, guidon, house flag,
   jack, knight, knight bachelor, knight banneret, knight baronet,
   knight-errant, long pennant, merchant flag, national flag,
   oriflamme, pennant, pennon, pennoncel, red, red ensign,
   royal standard, signal flag, standard, streamer, swallowtail,
   tricolor, vexillum, white

Banneret >> B Words
Banneret, definition of term: Banneret
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