From 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.
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2. A variety of pigeon. --Clarke.
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Dragoon bird (Zool.), the umbrella bird.
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From 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.
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2. To compel submission by violent measures; to harass; to
persecute.
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The colonies may be influenced to anything, but they
can be dragooned to nothing. --Price.
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Lewis the Fourteenth is justly censured for trying
to dragoon his subjects to heaven. --Macaulay.
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