small Old World falcon that hovers in the air against a wind
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Kestrel \Kes"trel\ (k[e^]s"tr[e^]l), n. [See {Castrel}.] (Zo["o]l.) A small, slender European hawk ({Falco alaudarius}), allied to the sparrow hawk. Its color is reddish fawn, streaked and spotted with white and black. Also called {windhover} and {stannel}. The name is also applied to other allied species.
Note: This word is often used in contempt, as of a mean kind of hawk. ``Kites and kestrels have a resemblance with hawks.'' --Bacon.