a multiple star having four components that lies in the Plough in the constellation Ursa Major and forms a visible binary with the star Alcor. Visual magnitude: 2.1; spectral type: A2V
Word origin
from Arabic mi'zar cloak
Mizar in American English
(ˈmaɪˌzɑr)
noun
a multiple star, the brighter companion in an optical double star at the middle of the Big Dipper's handle: magnitude, 2.3