Ousel \Ou"sel\, n. [OE. osel, AS. ?sle; akin to G. amsel, OHG. amsala, and perh. to L. merula blackbird. Cf. Merle, Amsel.]

(Zo["o]l.) 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 (Zo["o]l.), the ring ousel.

Water ousel (Zo["o]l.), the European dipper (Cinclus aquaticus), and the American dipper (C. Mexicanus).

Source: Webster's Revised Unabridged Dictionary (1913)