Alcor

noun
Al·cor | \ (ˈ)al-¦kȯr \

Definition of Alcor 

astronomy

: a faint star of the fourth magnitude that is located near Mizar in the handle of the Big Dipper And it's at the bend of the Dipper's handle that an interesting object resides. Look here to spot a “double” star. These two are known by their proper names, Mizar, and its fainter companion, Alcor, also called the “horse and rider.” —Dennis Mammana, Newsday, 28 May 2011

called also 80 Ursae Majoris

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First Known Use of Alcor

1675, in the meaning defined above

History and Etymology for Alcor

borrowed from New Latin, perhaps borrowed from Arabic al-khawr “depression, gulf,” a variant reading of the consonants in al-jawn literally, “black, black horse,” a name for ε Ursae Minoris

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Dictionary Entries near Alcor

alcometer

alcoo-

alcopop

Alcor

Alcoran

Alcorcón

alcornoque

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Time Traveler for Alcor

The first known use of Alcor was in 1675

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