Webster's Revised Unabridged Dictionary · 1913

Demoiselle

Demoiselle , noun

[F. See Damsel.]

1.
A young lady; a damsel; a lady's maid.
2.
(Zoology) The Numidian crane (Anthropoides virgo); -- so called on account of the grace and symmetry of its form and movements.
3.
(Zoology) A beautiful, small dragon fly of the genus Agrion.