redstart noun. ['rɛdstɑ:t] L16.
[from RED adjective + START noun¹.]
1. Any of various Eurasian and N. African birds of the genus Phoenicurus (family Turdidae), characterized by their red tails, esp. (more fully common redstart) P. phoenicurus and (more fully black redstart) P. ochruros. L16.

2. An American fly-catching warbler, Setophaga ruticilla (family Parulidae), the breeding males of which have black plumage with orange-red markings (more fully American redstart). Also (usu. with specifying word), any of various similar American warblers of the genus Myioborus. M18.

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