Deneb
WordNet
noun
(1) The brightest star in Cygnus
WiktionaryText
Etymology
From ‘hen's tail’, from ‘tail’ + ‘hen’.
Proper noun
Deneb
- : A blue giant star in the constellation Cygnus; Alpha (α) Cygni. It forms one corner of the Summer Triangle. Deneb is one of the brightest stars in the night sky, and one of the most luminous stars known.