any of several small, Old World thrushes, usually with reddish-brown tails, especially Phoenicurus phoenicurus (European redstart)
any of several fly-catching, New World warblers, especially Setophaga ruticilla (American redstart) having black and white plumage with reddish-orange patches.
any European songbird of the genus Phoenicurus, esp P. phoenicurus, in which the male has a black throat, orange-brown tail and breast, and grey back: family Muscicapidae (thrushes, etc)
any North American warbler of the genus Setophaga, esp S. ruticilla
noun, U.S. Politics. 1. a state of the U.S. that usually votes Republican. noun any U.S. state that tends to vote for candidates of the Republican party in a general election Examples The phrase “red state, blue state, purple state” represents the American political map during a general election. Word Origin 2000-2004 red state
noun 1. a U.S. surface-to-surface ballistic missile powered by a single rocket engine.
noun 1. a compound of oil and sesquioxide of iron used for polishing brass, steel, silver, etc.; crocus or rouge.
- Red supergiant
red supergiant An extremely large red giant star with a minimum of 15 solar masses. The best known red supergiant is Betelgeuse, with a luminosity about 10,000 times that of the Sun. When a supergiant collapses into a supernova, it may result in either a neutron star or a black hole.