Definition of Algenib
: a blue star of the third magnitude that is seen in the constellation Pegasus The brightest star in Pegasus is Markab, a blue-white giant that marks the southwestern corner of the square. … The star in the southeastern corner is Algenib. — John Stanley, Arizona Republic, 25 Sept. 2010 —called also Gamma Pegasi
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First Known Use of algenib
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