Ou·sel n. Zool. One of several species of European thrushes, especially the blackbird (Merula merula, or Turdus merula), and the mountain or ring ousel (Turdus torquatus). [Written also ouzel.]
Rock ousel Zool., the ring ousel.
Water ousel Zool., the European dipper (Cinclus aquaticus), and the American dipper (Cinclus Mexicanus).
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