An Etymological Dictionary of Astronomy and Astrophysics

A → supergiant star of visual magnitude 2.06 and → spectral type B0.5 Ia marking the right knee of Orion. It is about 700 light-years away.

See also: Saiph “sword,” from Ar. as-saiph al-jabbâr (سیف الجبار) “the Sword of the Giant.”