Wedge-tailed a. Zool. Having a tail which has the middle pair of feathers longest, the rest successively and decidedly shorter, and all more or less attenuate; -- said of certain birds.  See Illust. of Wood hoopoe, under Wood.
 Wedge-tailed eagle, an Australian eagle (Aquila audax) which feeds on various small species of kangaroos, and on lambs; -- called also mountain eagle, bold eagle, and eagle hawk.
 Wedge-tailed gull, an arctic gull (Rhodostethia rosea) in which the plumage is tinged with rose; -- called also Ross's gull.

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