Video shows what Deneb means. 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.. Deneb Meaning. How to pronounce, definition audio dictionary. How to say Deneb. Powered by MaryTTS, Wiktionary
![](https://i.ytimg.com/vi/qYvJehlBH0g/maxresdefault.jpg)