Dunlin \Dun"lin\, n. [Prob. of Celtic origin; cf. Gael. dun hill (E. dune), and linne pool, pond, lake, E. lin.] (Zo["o]l.) A species of sandpiper ({Tringa alpina}); -- called also {churr}, {dorbie}, {grass bird}, and {red-backed sandpiper}. It is found both in Europe and America.