The Collaborative International Dictionary of English v.0.48:

Dragoon \Dra*goon"\ (dr[.a]*g[=oo]n"), n. [F. dragon dragon,
   dragoon, fr. L. draco dragon, also, a cohort's standard (with
   a dragon on it). The name was given from the sense standard.
   See Dragon.]
   1. ((Mil.) Formerly, a soldier who was taught and armed to
      serve either on horseback or on foot; now, a mounted
      soldier; a cavalry man.
      [1913 Webster]

   2. A variety of pigeon. --Clarke.
      [1913 Webster]

   Dragoon bird (Zool.), the umbrella bird.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dragoon \Dra*goon"\, v. t. [imp. & p. p. Dragooned; p. pr. &
   vb. n. Dragooning.]
   1. To harass or reduce to subjection by dragoons; to
      persecute by abandoning a place to the rage of soldiers.
      [1913 Webster]

   2. To compel submission by violent measures; to harass; to
      persecute.
      [1913 Webster]

            The colonies may be influenced to anything, but they
            can be dragooned to nothing.          --Price.
      [1913 Webster]

            Lewis the Fourteenth is justly censured for trying
            to dragoon his subjects to heaven.    --Macaulay.
      [1913 Webster]

WordNet (r) 3.0 (2006):

dragoon
    n 1: a member of a European military unit formerly composed of
         heavily armed cavalrymen
    v 1: compel by coercion, threats, or crude means; "They
         sandbagged him to make dinner for everyone" [syn:
         dragoon, sandbag, railroad]
    2: subjugate by imposing troops

Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "dragoon":
   blackjack, bludgeon, bluster, bluster out of, browbeat, bulldoze,
   bully, bullyrag, cavalryman, coerce, cossack, cow, cuirassier,
   demoralize, harass, heavy dragoon, hector, hijack, huff, hussar,
   intimidate, lance, lancer, ruffle, shanghai, spahi, steamroller,
   strong-arm, systematically terrorize, terrorize, threaten, trooper,
   uhlan, use violence



The Free On-line Dictionary of Computing (30 December 2018):

DRAGOON

    A distributed, concurrent, object-oriented
   Ada-based language developed in the Esprit DRAGON
   project by Colin Atkinson at Imperial College in 1989 (Now
   at University of Houston, Clear Lake).  DRAGOON supports
   object-oriented programming for embeddable systems and is
   presently implemented as an Ada preprocessor.

   ["Object-Oriented Reuse, Concurrency and Distribution: An
   Ada-Based Approach", C. Atkinson, A-W 1991, ISBN
   0-2015-6-5277].

   (1999-11-22)


The Devil's Dictionary (1881-1906):

DRAGOON, n.  A soldier who combines dash and steadiness in so equal
measure that he makes his advances on foot and his retreats on
horseback.