Altair

[al-tair, -tahyuh r, al-tair, -tahyuh r] /ˈæl tɛər, -taɪər, ælˈtɛər, -ˈtaɪər/
noun
1.
a first-magnitude star in the constellation Aquila.
Origin
< Arabic (al-nasr) al-ṭā'ir (the) flying (eagle)
British Dictionary definitions for Altair

Altair

/ˈæltɛə/
noun
1.
the brightest star in the constellation Aquila. Visual magnitude: 0.77; spectral type: A7V; distance: 16.8 light years
Word Origin
Arabic, from al the + tā'ir bird
Word Origin and History for Altair

bright star in the constellation Aquila, 16c., from Arabic Al Nasr al Tair "the Flying Eagle," from tair, participle of tara "it flew."

Altair in Science
Altair
  (āl-târ', -tīr')   
A bright white star in the constellation Aquila. Altair is a main-sequence star in the Hertzprung-Russell diagram. It is the 12th brightest star in the night sky, with an apparent magnitude of 0.77. Altair, along with Vega and Deneb, form the Summer Triangle asterism. Scientific name: Alpha Aquilae.