Source : Webster's Revised Unabridged Dictionary (1913)

Damosel \Dam"o*sel\ (d[a^]m"[-o]*z[e^]l), Damosella
\Dam`o*sel"la\ (-z[e^]l"l[.a]), Damoiselle \Da`moi`selle"\
   (d[.a]`mw[aum]`z[e^]l"), n.
   See {Damsel}. [Archaic]

Source : WordNet®

damoiselle
     n : a young unmarried woman [syn: {damsel}, {demoiselle}, {damosel},
          {damozel}]